%0 Journal Article
%A A. M. Stakhy
%T The returnability of points and regions in partially ordered dynamical systems
%J Differencialʹnye uravneniâ
%D 1968
%P 693-701
%V 4
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_4_a13/
%G ru
%F DE_1968_4_4_a13