[1] Franců J.: 
On Signorini problem for von Kármán equations /The case of angular domain/. Aplikace matematiky 24 (1979), 355-371. 
MR 0547039[2] Geba K.: The Leray Schauder degree and framed bordism. in La théorie des points fixes et ses applications è l'analyse. Séminaire de Mathématiques Supérieures 1973, Presses de l'Université de Montreal 1975.
[3] Hlaváček I., Naumann J.: 
Inhomogeneous boundary value prohlems for the von Kármán equations, I. Aplikace matematiky 19 (1974), 253-269. 
MR 0377307[4] John O., Nečas J.: 
On the solvability of von Kámán equations. Aplikace matematiky 20 (1975), 48-62. 
MR 0380099[5] Kato T.: 
Perturbation theory for linear operators. Springer-Verlag, Beгlin - Heidelberg - New York, 1980. 
Zbl 0435.47001[6] Nečas J.: 
Les méthodes directes en théorie des équations elliptiques. Academia, Prague, 1967. 
MR 0227584[7] Saut J. C., Temam R.: 
Generic properties of Navieг-Stokes equations: genericity with respect to the boundary values. Indiana Univ. Math. J. 29 (1980), 427-446. 
MR 0570691[8] Smale S.: 
An infinite aimensional version of Sarďs theorem. Amer. J. Math. 87 (1965), 861-866. 
MR 0185604[9] Souček J., Souček V.: 
The Morse Sard theorem for real analytic functions. Comment. Math. Univ. Carolinae 13 (1972), 45-51. 
MR 0308345