[1] Ademola, T. A., Ogundiran, M. O., Arawomo, P. O, Adesina, O. A: Boundedness results for a certain third order nonlinear differential equation. Appl. Math. Comput. 216 (2010), 3044-3049. DOI 10.1016/j.amc.2010.04.022 | MR 2653118 | Zbl 1201.34055

[2] Afuwape, A. U.: Frequency-domain criteria for dissipativity of some third order differential equations. An. Stiint. Univ. Al. I. Cuza Iasi, n. Ser., Sect. Ia 24 (1978), 271-275. MR 0533755 | Zbl 0405.34053

[3] Afuwape, A. U.: An application of the frequency-domain criteria for dissipativity of a certain third order non-linear differential equation. Analysis 1 (1981), 211-216. DOI 10.1524/anly.1981.1.3.211 | MR 0660717 | Zbl 0488.34043

[4] Afuwape, A. U., Omeike, M. O.: Further ultimate boundedness of solutions of some system of third order nonlinear ordinary differential equations. Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 43 (2004), 7-20. MR 2124598

[5] Afuwape, A. U., Omeike, M. O.: Convergence of solutions of certain third order systems of nonlinear ordinary differential equations. J. Nigerian Math. Soc. 25 (2006), 1-12. MR 2376821

[6] Afuwape, A. U., Omeike, M. O.: Convergence of solutions of certain non-homogeneous third order ordinary differential equations. Kragujevac J. Math. 31 (2008), 5-16. MR 2478598 | Zbl 1199.34246

[7] Bereketoglu, H., Gyori, I.: On the boundedness of the solutions of a third-order nonlinear differential equation. Dynam. Systems Appl. 6 (1997), 263-270. MR 1461442

[8] Chukwu, E. N.: On the boundedness of solutions of third order differential equations. Ann. Mat. Pur. Appl. 104 (1975), 123-149. DOI 10.1007/BF02417013 | MR 0377180 | Zbl 0319.34027

[9] Ezeilo, J. O. C.: An elementary proof of a boundedness theorem for a certain third order differential equation. J. Lond. Math. Soc. 38 (1963), 11-16. DOI 10.1112/jlms/s1-38.1.11 | MR 0166450 | Zbl 0116.06902

[10] Ezeilo, J. O. C.: Some results for the solutions of a certain system of differential equations. J. Math. Anal. Appl. 6 (1963), 389-393. MR 0153926 | Zbl 0116.29405

[11] Ezeilo, J. O. C.: A generalization of a boundedness theorem for a certain third order differential equation. Proc. Cambridge Philos. Soc. 63 (1967), 735-742. MR 0213657

[12] Ezeilo, J. O. C.: New properties of the equation $x'''+ax'' + bx' + h(x) = p(t,x,x',x'')$ for certain special values of the incrementary ratio $y^{-1}\{h(x+y)-h(x)\}$. Equations differentielles et functionalles non-lineares, Hermann Publishing, Paris P. Janssons, J. Mawhin, N. Rouche (1973), 447-462. MR 0430413

[13] Ezeilo, J. O. C.: A generalization of some boundedness results by Reissig and Tejumola. J. Math. Anal. Appl. 41 (1973), 411-419. DOI 10.1016/0022-247X(73)90215-1 | MR 0316821 | Zbl 0253.34016

[14] Ezeilo, J. O. C.: A further result on the existence of periodic solutions of the equation $\stackrel{...}x+\Psi(\dot{x})\ddot{x}+\phi(x)\dot{x}+v(x,\dot{x},\ddot{x})=p(t)$ with a bound $\nu$. Atti. Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur. 55 (1978), 51-57. MR 0571030

[15] Haddad, W. A., Chellaboina, V. S.: Nonlinear Dynamical Systems and Control---A Lyapunov-Based Approach. Princeton University Press, Princeton (2008). MR 2381711 | Zbl 1142.34001

[16] Hara, T.: On a uniform ultimate boundedness of the solution of certain third order differential equations. J. Math. Anal. Appl. 80 (1981), 533-544. DOI 10.1016/0022-247X(81)90122-0 | MR 0614848

[17] Qian, C.: Asymptotic behavior of third-order nonlinear differential equations. J. Math. Anal. Appl. 284 (2003), 191-205. DOI 10.1016/S0022-247X(03)00302-0 | MR 1996127

[18] Reisssig, R.: Über die Existenz periodischer Lösungen bei einer nichtlinearen Differentialgleichung dritter Ordnung. Math. Nachr. 32 (1966), 83-88. DOI 10.1002/mana.19660320109 | MR 0216096

[19] Reisssig, R., Sansone, G., Conti, R.: Nonlinear Differential Equations of Higher Order. Noordhoff, Groningen (1974).

[20] Swick, K. E.: Boundedness and stability for a nonlinear third order differential equation. Atti. Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur. 56 (1974), 859-865. MR 0399597 | Zbl 0326.34062

[21] Tejumola, H. O.: On the boundedness and periodicity of solutions of certain third-order non-linear differential equations. Ann. Mat. Pura Appl., IV Ser. 83 (1969), 195-212. DOI 10.1007/BF02411167 | MR 0262597

[22] Tunç, Cemil: Boundedness of solutions of a third order nonlinear differential equation. J. Inequal. Pure Appl. Math. 6 (2005), Article 3, 6 pp. (electronic). MR 2122950 | Zbl 1082.34514

[23] Yoshizawa, T.: Stability Theory by Lyapunov's Second Method. Mathematical Society of Japan, Tokyo (1966). MR 0208086