%0 Journal Article %A Žampa, Pavel %T On some properties of dynamical systems %J Kybernetika %D 1971 %P 22-37 %V 7 %N 1 %U http://geodesic.mathdoc.fr/item/KYB_1971_7_1_a2/ %G en %F KYB_1971_7_1_a2