%0 Journal Article
%A B. S. Kalitin
%T Stability of Closed Invariant Sets of Semidynamical Systems. The Method of Sign Definite Lyapunov Functions
%J Differencialʹnye uravneniâ
%D 2002
%P 1565-1566
%V 38
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2002_38_11_a15/
%G ru
%F DE_2002_38_11_a15