%0 Journal Article
%A E. V. Voskresenskii
%T Asymptotic equilibrium, periodic solutions, and Lyapunov's direct method
%J Differencialʹnye uravneniâ
%D 1999
%P 729-732
%V 35
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_6_a1/
%G ru
%F DE_1999_35_6_a1