Author: Andres, Ján
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Andres, Ján:
Dynamical systems modelled by third order differential equations with special respect to the influence of the restoring term on the properties of solutions.
(English).
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica,
vol. 26
(1987),
issue 1,
pp. 139-147
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Andres, Ján:
Symmetry in a certain simply perturbed Hamiltonian system.
(English).
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica,
vol. 26
(1987),
issue 1,
pp. 131-138
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Andres, Ján; Palát, Jindřich:
Über die Existenz einer begrenzten und periodischen Lösung der nichtlinealisierten Jacobischen Gleichung mit negativ definitivem Träger.
(German) [On the existence of a bounded and periodic solution of the nonlinearized Jacobi equation with negative definite support].
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica,
vol. 26
(1987),
issue 1,
pp. 85-93
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