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47J05 Equations involving nonlinear operators (general) (116 articles)

• Tang, Yan; Promkam, Ratthaprom; Cholamjiak, Prasit; Sunthrayuth, Pongsakorn: Convergence results of iterative algorithms for the sum of two monotone operators in reflexive Banach spaces. (English). Applications of Mathematics, vol. 67 (2022), issue 2, pp. 129-152
• Jolaoso, Lateef O.; Mewomo, Oluwatosin T.: Approximating solutions of split equality of some nonlinear optimization problems using an inertial algorithm. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 61 (2020), issue 3, pp. 277-312
• Boussandel, Sahbi: Existence and uniqueness of solutions for gradient systems without a compactness embedding condition. (English). Czechoslovak Mathematical Journal, vol. 69 (2019), issue 3, pp. 637-651
• Wang, Jin Rong; Fečkan, Michal: Practical Ulam-Hyers-Rassias stability for nonlinear equations. (English). Mathematica Bohemica, vol. 142 (2017), issue 1, pp. 47-56
• Zhang, Youwei: Solvability of a generalized third-order left focal problem at resonance in Banach spaces. (English). Mathematica Bohemica, vol. 138 (2013), issue 4, pp. 361-382
• Suvarnamani, Alongkot; Tatong, Mongkol: An extragradient approximation method for variational inequality problem on fixed point problem of nonexpensive mappings and monotone mappings. (English). Archivum Mathematicum, vol. 48 (2012), issue 1, pp. 45-59
• Harasim, Petr: On the worst scenario method: Application to a quasilinear elliptic 2D-problem with uncertain coefficients. (English). Applications of Mathematics, vol. 56 (2011), issue 5, pp. 459-480
• Harasim, Petr: On the worst scenario method: a modified convergence theorem and its application to an uncertain differential equation. (English). Applications of Mathematics, vol. 53 (2008), issue 6, pp. 583-598
• Nowakowski, Andrzej; Orpel, Aleksandra: On the existence of multiple solutions for a nonlocal BVP with vector-valued response. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 2, pp. 621-640
• Kyritsi, Sophia Th.; Matzakos, Nikolaos; Papageorgiou, Nikolaos S.: Nonlinear boundary value problems for second order differential inclusions. (English). Czechoslovak Mathematical Journal, vol. 55 (2005), issue 3, pp. 545-579
• Ambrosetti, Antonio: Funkcionální rovnice v nelineární analýze. Věnováno G. Prodimu, velkému učiteli a drahému příteli. (Czech) [Functional equations in the nonlinear analysis. Dedicated to G. Prodi, great teacher and dear friend]. Pokroky matematiky, fyziky a astronomie, vol. 49 (2004), issue 3, pp. 196-206
• Anello, Giovanni; Cubiotti, Paolo: Non-autonomous implicit integral equations with discontinuous right-hand side. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 45 (2004), issue 3, pp. 417-429
• Appell, Jürgen: A la recherche du spectre perdu: An invitation to nonlinear spectral theory. (English). In: Opic, Bohumír and Rákosník, Jiří (eds.): Nonlinear Analysis, Function Spaces and Applications, Proceedings of the Spring School held in Prague, July 17-22, 2002. Vol. 7. Czech Academy of Sciences, Mathematical Institute, Praha, 2003. pp. 1-20
• Cuninghame-Green, R. A.; Zimmermann, K.: Equation with residuated functions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 4, pp. 729-740
• Cubiotti, Paolo: Non-autonomous vector integral equations with discontinuous right-hand side. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 2, pp. 319-329
• O'Regan, Donal: Fixed point theorems for weakly sequentially closed maps. (English). Archivum Mathematicum, vol. 36 (2000), issue 1, pp. 61-70
• Gabor, Dorota: The generalized coincidence index --- application to a boundary value problem. (English). Archivum Mathematicum, vol. 36 (2000), issue 5, pp. 447-460
• Rudolf, Boris: On the generalized boundary value problem. (English). Archivum Mathematicum, vol. 36 (2000), issue 2, pp. 125-137
• Cardinali, Tiziana; Papageorgiou, Nikolaos S.: Periodic problems and problems with discontinuities for nonlinear parabolic equations. (English). Czechoslovak Mathematical Journal, vol. 50 (2000), issue 3, pp. 467-497
• Buong, Nguyen: Equations with discontinuous nonlinear semimonotone operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 1, pp. 7-12
• Tunaru, Radu: An extension of invertibility of Hammerstein-type operators. (English). Czechoslovak Mathematical Journal, vol. 49 (1999), issue 2, pp. 341-346
• Mustonen, Vesa; Tienari, Matti: On monotone-like mappings in Orlicz-Sobolev spaces. (English). Mathematica Bohemica, vol. 124 (1999), issue 2, pp. 255-271
• Konečný, Milan: Remarks to weakly continuous inverse operators and an application in hyperelasticity. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 7 (1999), issue 1, pp. 39-46
• Ďurikovič, Vladimír; Ďurikovičová, Mária: Some generic properties of nonlinear second order diffusional type problem. (English). Archivum Mathematicum, vol. 35 (1999), issue 3, pp. 229-244
• Cammaroto, Filippo; Cubiotti, Paolo: Vector integral equations with discontinuous right-hand side. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 40 (1999), issue 3, pp. 483-490
• Fečkan, Michal: Existence of nonzero nonnegative solutions of semilinear equations at resonance. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 4, pp. 709-719
• O'Regan, Donal: Fixed point theory for compact perturbations of pseudocontractive maps. (English). Archivum Mathematicum, vol. 34 (1998), issue 3, pp. 401-415
• Verma, Ram U.: On monotone nonlinear variational inequality problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 39 (1998), issue 1, pp. 91-98
• Verbitsky, Igor E.: Superlinear equations, potential theory and weighted norm inequalities. (English). In: Krbec, Miroslav and Kufner, Alois (eds.): Nonlinear Analysis, Function Spaces and Applications, Proceedings of the Spring School held in Prague, May 31-June 6, 1998. Vol. 6. Czech Academy of Sciences, Mathematical Institute, Praha, 1999. pp. 223-269
• Švec, Marko: Periodic boundary value problem of a fourth order differential inclusion. (English). Archivum Mathematicum, vol. 33 (1997), issue 1, pp. 167-171
• Feng, W.; Webb, J. R. L.: Surjectivity results for nonlinear mappings without oddness conditions. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 38 (1997), issue 1, pp. 15-28
• Burýšková, Věra; Burýšek, Slavomír: On solvability of nonlinear operator equations and eigenvalues of homogeneous operators. (English). Mathematica Bohemica, vol. 121 (1996), issue 3, pp. 301-314
• Emmanuele, G.: Existence of solutions of a functional-integral equation in infinite dimensional Banach spaces. (English). Czechoslovak Mathematical Journal, vol. 44 (1994), issue 4, pp. 603-609
• Nugari, Rita: Further remarks on the Nemitskii operator in Hölder spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 34 (1993), issue 1, pp. 89-95
• Gupta, Chaitan P.: Solvability of a forced autonomous Duffing's equation with periodic boundary conditions in the presence of damping. (English). Applications of Mathematics, vol. 38 (1993), issue 3, pp. 195-203
• Rudolf, Boris: Existence theorems for nonlinear operator equation $Lu+Nu=f$ and some properties of the set of its solutions. (English). Mathematica Slovaca, vol. 42 (1992), issue 1, pp. 55-63
• Verma, Ram U.: Numerical range and related nonlinear functional equations. (English). Czechoslovak Mathematical Journal, vol. 42 (1992), issue 3, pp. 503-513
• Kolomý, Josef: On accretive multivalued mappings in Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 31 (1990), issue 4, pp. 701-710
• Krejčí, Pavel: Hysteresis operators - a new approach to evolution differential inequalities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 3, pp. 525-536
• Avgerinos, Evgenios P.; Papageorgiou, Nikolaos S.: Non-convex perturbations of evolution equations with $m$-dissipative operators in Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 4, pp. 657-664
• Quittner, Pavol: On positive solutions of semilinear elliptic problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 3, pp. 579-585
• Chiappinelli, Raffaele: Remarks on Krasnoselskii bifurcation theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 2, pp. 235-241
• Argyros, Ioannis K.: Approximating the fixed points of some nonlinear operator equations. (English). Mathematica Slovaca, vol. 38 (1988), issue 4, pp. 409-417
• Argyros, Ioannis K.: Some sufficient conditions for finding a second solution of the quadratic equation in a Banach space. (English). Mathematica Slovaca, vol. 38 (1988), issue 4, pp. 403-408
• Neumann, Jan: An abstract differential equation and the potential bifurcation theorems by Krasnosel'skij. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 261-276
• Fabián, Marián J.; Preiss, David: A generalization of the interior mapping theorem of Clarke and Pourciau. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 2, pp. 311-324
• Janovský, Vladimír; Janovská, Dáša: Inflated mappings for singularities of codimension $\leq 2$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 3, pp. 501-515
• Švarc, Rudolf: Linear complementarity problem and extremal hyperplanes. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 3, pp. 517-536
• Janovský, Vladimír; Janovská, Dáša: Remarks on inflated mappings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 3, pp. 491-500
• Milojevic, P. S.: Solvability of semilinear equations with strong nonlinearities and applications to elliptic boundary value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 4, pp. 735-750
• Švarc, Rudolf: Some combinatorial results about the operators with jumping nonlinearities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 28 (1987), issue 4, pp. 707-733
• Płuciennik, Ryszard: The superposition operator in Musielak-Orlicz spaces of vector-valued functions. (English). In: Frolík, Z., Souček, V. and Fabián, M. (eds.): Proceedings of the 14th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1987. pp. [411]-417
• Kufner, Alois: Boundary value problems in weighted spaces. (English). In: Vosmanský, Jaromír and Zlámal, Miloš (eds.): Equadiff 6. Proceedings of the International Conference on Differential Equations and Their Applications held in Brno, Czechoslovakia, Aug. 26 - 30, 1985. J. E. Purkyně University, Department of Mathematics, Brno, 1986. pp. 35-48
• Daneš, Josef: Equivalence of some geometric and related results of nonlinear functional analysis. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 3, pp. 443-454
• Le Van Hot: A fixed point theorem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 2, pp. 299-308
• Szufla, Stanisław: An existence theorem for the Urysohn integral equation in Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 1, pp. 19-27
• Švarc, Rudolf: The solution of a Fučík's conjecture. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 25 (1984), issue 3, pp. 483-517
• Rzepecki, Bogdan: Some fixed point theorems for multivalued mappings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 24 (1983), issue 4, pp. 741-745
• Le Van Hot: Fixed point theorems for multivalued mappings. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 1, pp. 137-145
• Tarafdar, Enayat: On a nonlinear elliptic boundary value problem. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 3, pp. 499-512
• Capozzi, Alberto; Salvatore, Addolorata: Periodic solutions for nonlinear problems with strong resonance at infinity. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 3, pp. 415-425
• Voldřich, Josef: The ranges of nonlinear operators of the polynomial type. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 4, pp. 671-684
• Drábek, Pavel: Solvability of nonlinear problems at resonance. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 2, pp. 359-368
• Skrypnik, I. V.: Topological methods of investigation of operator equations and nonlinear boundary value problems. (English). In: John, Oldřich and Kufner, Alois (eds.): Nonlinear Analysis, Function Spaces and Applications, Proceedings of the Spring School held in Písek, 1982. Vol. 2. BSB B. G. Teubner Verlagsgesellschaft, Leipzig, 1982. pp. 191-233
• Drábek, Pavel: Nonlinear elliptic problems with jumping nonlinearities near the first eigenvalue. (English). Aplikace matematiky, vol. 26 (1981), issue 4, pp. 304-311
• Tarafdar, Enayat: On the existence of solution of the equation $L(x) = N(x)$ and a generalized coincidence degree theory. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 22 (1981), issue 1, pp. 37-58
• Amann, Herbert: Solvability properties of semilinear operator equations. (English). In: Greguš, Michal (ed.): Equadiff 5. Proceedings of the Fifth Czechoslovak Conference on Differential Equations and Their Applications held in Bratislava, August 24-28, 1981. BSB B.G. Teubner Verlagsgesellschaft, Leipzig, 1982. pp. 14-20
• Steudel, Reinhard: Mathematische Behandlung eines Desorptionsmodells für biporöse Systeme. (German) [Mathematical treatise of a desorption model for biporous systems]. Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 3, pp. 605-618
• Steudel, Reinhard: Zur eindeutigen Lösbarkeit eines nichtlinearen Operatordifferentialgleichungssystems. (German) [On unique solvability of a system of nonlinear operator differential equations]. Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 3, pp. 591-604
• Tarafdar, Enayat: On the existence of solution of the equation $L(x) = N(x)$ and a generalized coincidence degree theory. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 4, pp. 805-823
• Drábek, Pavel: Ranges of $a$-homogeneous operators and their perturbations. (English). Časopis pro pěstování matematiky, vol. 105 (1980), issue 2, pp. 167-183
• Reich, Simeon; Torrejón, Ricardo: Zeros of accretive operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 21 (1980), issue 3, pp. 619-625
• Hahn, Siegfried: Ein Störungssatz für positive Eigenwerte kondensierender mengenwertiger Abbildungen in lokalkonvexen topologischen Vektorräumen. (German) [A perturbation theorem for positive eigenvalues of condensing set-valued mappings in locally convex spaces]. Commentationes Mathematicae Universitatis Carolinae, vol. 20 (1979), issue 3, pp. 417-430
• Štědrý, M.: Concerning Cesari's theorems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 3, pp. 501-512
• Zeidler, Eberhard: Lectures on Lyusternik-Schnirelman theory for indefinite nonlinear eigenvalue problems and its applications. (English). In: Fučík, Svatopluk and Kufner, Alois (eds.): Nonlinear Analysis, Function Spaces and Applications, Proceedings of a Spring School held in Horní Bradlo, 1978. [Vol 1]. BSB B. G. Teubner Verlagsgesellschaft, Leipzig, 1979. pp. 176-219
• Fučík, Svatopluk; Hess, Peter: Nonlinear perturbations of linear operators having nullspace with strong unique continuation property (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 19 (1978), issue 2, pp. 403-407
• Fučík, Svatopluk: Nonlinear potential equations with linear parts at resonance. (English). Časopis pro pěstování matematiky, vol. 103 (1978), issue 1, pp. 78-94
• Jarušek, Jiří; Nečas, Jindřich: Sur les domaines des valeurs des opérateurs non-linéaires. (French) [On domains of values of nonlinear operators]. Časopis pro pěstování matematiky, vol. 102 (1977), issue 1, pp. 61-72
• Ryabov, Yu.: Application of bounded operators and Lyapunov's majorizing equations to the analysis of differential equations with a small parameter. (English). In: Fábera, Jiří (ed.): Equadiff IV. Czechoslovak Conference on Differential Equations and Their Applications. Proceedings, Prague, August 22-26, 1977. Springer-Verlag, Berlin, 1979. pp. [356]-365
• Hess, P.: Multiple solutions of some asymptotically linear elliptic boundary value problems. (English). In: Fábera, Jiří (ed.): Equadiff IV. Czechoslovak Conference on Differential Equations and Their Applications. Proceedings, Prague, August 22-26, 1977. Springer-Verlag, Berlin, 1979. pp. [145]-151
• Fučík, Svatopluk: Nonlinear equations with linear part at resonance: Variational approach. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 4, pp. 723-734
• Podolak, Esther: A note on the existence of more than one solution for asymptotically linear equations. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 1, pp. 59-64
• Potapov, Alexandr S.; Potapova, T. Ja.; Filin, V. A.: Зaмeчaния о неподвижных точкаx и coбcтвeнныx вeктopax пoлoжитeльныx уплотняющиx oператоров. (Russian) [Remarks on the fixed points and eigenvectors of positive condensing operators]. Commentationes Mathematicae Universitatis Carolinae, vol. 18 (1977), issue 2, pp. 219-230
• Mawhin, Jean: Contractive mappings and periodically perturbed conservative systems. (English). Archivum Mathematicum, vol. 12 (1976), issue 2, pp. 67-73
• Kaufman, R.: A nonlinear operator in potential theory. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 4, pp. 731-735
• Hetzer, Georg: On the existence of weak solutions for some quasilinear elliptic variational boundary value problems at resonance. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 2, pp. 315-334
• Fučík, Svatopluk: Remarks on the solvability and nonsolvability of weakly nonlinear equations. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 1, pp. 61-70
• Hahn, Siegfried: Über die Stabilität von Lösungen nichtlinearer Operatorengleichungen in nicht notwendig lokalkonvexen topologischen Vektorräumen. (German) [On the stability of solutions of nonlinear operator equations in not necessarily locally convex linear topological spaces]. Commentationes Mathematicae Universitatis Carolinae, vol. 17 (1976), issue 3, pp. 421-440
• Kačur, Jozef: Application of Rothe's method to nonlinear evolution equations. (English). Matematický časopis, vol. 25 (1975), issue 1, pp. 63-81
• Joshi, M.: Existence theorems for a variant of Hammerstein's integral equation. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 2, pp. 255-271
• Gupta, Chaitan P.: Nonlinear equations of Urysohn's type in a Banach space. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 2, pp. 377-386
• Morris, Sidney A.: The Schauder-Tychonoff Fixed Point Theorem and Applications. (English). Matematický časopis, vol. 25 (1975), issue 2, pp. 165-172
• Hetzer, Georg: Some applications of the coincidence degree for set-contractions to functional differential equations of neutral type. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 1, pp. 121-138
• Fučík, Svatopluk: Спектральный анализ нелинейных операторов. (Russian) [Spectral analysis of nonlinear operators]. Časopis pro pěstování matematiky, vol. 100 (1975), issue 2, pp. 179-192
• Joshi, M.: Existence theorem for a generalized Hammerstein type equation. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 2, pp. 283-291
• Fučík, Svatopluk: Further remark on a theorem by E. M. Landesman and A. C. Lazer. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 2, pp. 259-271
• Petry, Walter: Nonlinear operator equations and boundary-value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 3, pp. 451-463
• de Figueiredo, Djairo Guedes: On the range of nonlinear operators with linear asymptotes which are not invertible. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 3, pp. 415-428
• Zezula, Rostislav: Weak and strong convergence of projection methods in nonreflexive Banach spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 15 (1974), issue 1, pp. 29-47
• Petry, Walter: Existence theorems for operator equations and nonlinear elliptic boundary-value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 1, pp. 27-46
• Petry, Walter: Nonlinear eigenvalue problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 1, pp. 113-126
• Fučík, Svatopluk; Tran, Dien Hien: Note on nonlinear spectral theory: Application to boundary value problems for ordinary integrodifferential equations. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 4, pp. 583-608
• Nečas, Jindřich: On the range of nonlinear operators with linear asymptotes which are not invertible. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 14 (1973), issue 1, pp. 63-72
• Sova, Miroslav: Abstract semilinear equations with small parameter. (English). In: Ráb, Miloš and Vosmanský, Jaromír (eds.): Proceedings of Equadiff III. 3rd Czechoslovak Conference on Differential Equations and Their Applications. Brno, Czechoslovakia, August 28 - September 1, 1972. Univ. J. E. Purkyně - Přírodovědecká fakulta, Brno, 1973. pp. 71-79
• Nečas, Jindřich: Fredholm alternative for nonlinear operators and applications to partial differential equations and integral equations. (English). Časopis pro pěstování matematiky, vol. 97 (1972), issue 1, pp. 65-71
• Kačur, Jozef: On existence of the weak solution for non-linear partial differential equations of elliptic type. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 2, pp. 211-225
• Petry, Walter: On the iterative construction of a solution of nonlinear elliptic boundary value problems. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 3, pp. 479-492
• Nečas, Jindřich: Remark on the Fredholm alternative for nonlinear operators with application to nonlinear integral equations of generalized Hammerstein type. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 1, pp. 109-120
• Daneš, Josef: Some existence theorems for nonlinear equations of Hammerstein type (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 2, pp. 397-401
• Fučík, Svatopluk; Nečas, Jindřich: Spectral theory of nonlinear operators. (English). In: Ráb, Miloš and Vosmanský, Jaromír (eds.): Proceedings of Equadiff III. 3rd Czechoslovak Conference on Differential Equations and Their Applications. Brno, Czechoslovakia, August 28 - September 1, 1972. Univ. J. E. Purkyně - Přírodovědecká fakulta, Brno, 1973. pp. 163-174
• Fučík, Svatopluk; Nečas, Jindřich; Souček, Jiří; Souček, Vladimír: Strengthening upper bound for the number of critical levels of nonlinear functionals. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 2, pp. 297-310
• Fučík, Svatopluk; Nečas, Jindřich; Souček, Jiří; Souček, Vladimír: Upper bound for the number of eigenvalues for nonlinear operators (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 13 (1972), issue 1, pp. 191-195
• Cruceanu, Ştefan: Régularisation pour les problèmes à opérateurs monotones et la méthode de Galerkin. (French) [Regularization for problems on monotone operators and the method of Galerkin]. Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 1, pp. 1-13
• Sova, Miroslav: Abstract semilinear equations with small nonlinearities. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 4, pp. 785-805
• Fučík, Svatopluk: Note on the Fredholm alternative for nonlinear operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 2, pp. 213-226
• Kolomý, Josef: Some mapping theorems and solvability of nonlinear equations in Banach spaces (Preliminary communication). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 12 (1971), issue 2, pp. 413-418