Author: Vlček, Vladimír

Vlček, Vladimír: Addendum to periodic solutions of a third-order nonlinear differential equation. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 30 (1991), issue 1, pp. 189-202
Andres, Ján; Vlček, Vladimír: Note to the existence of periodic solutions for higher-order differential equations with nonlinear restoring term and time-variable coefficients. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 30 (1991), issue 1, pp. 149-157
Vlček, Vladimír: Periodic solutions of a parametric nonlinear third-order differential equation. (English). Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, vol. 30 (1991), issue 1, pp. 159-188

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