On the existence of a bounded solution of a non-linear differential equation M. Jakubičková (1968) Archivum Mathematicum Similarity:
A four-point problem for differential equations of the second order Irena Rachůnková (1989) Archivum Mathematicum Similarity:
On the boundedness of solutions of a certain fourth-order nonlinear differential equation Vladimír Vlček (1988) Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica Similarity: