%0 Journal Article
%A Morávek, Z.
%A Fiala, J.
%T The period of oscillations in non-linear systems
%J Acta Universitatis Carolinae. Mathematica et Physica
%D 2004
%P 9-16
%V 45
%N 1
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/AUCMP_2004__45_1_a2/
%G en
%F AUCMP_2004__45_1_a2