%0 Journal Article
%A E. A. Barbashin
%T Conditions for the existence of recurrent trajectories in dynamic systems with a cylindrical phase space
%J Differencialʹnye uravneniâ
%D 1967
%P 1627-1633
%V 3
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1967_3_10_a0/
%G ru
%F DE_1967_3_10_a0