A note on existence of bounded solutions of an $n$-th order ODE on the real line Bohumil Krajc — 1998 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

On bounded solutions in a given set of systems of differential equations. Krajc, Bohumil — 2001 Journal of Inequalities and Applications [electronic only]