%0 Journal Article
%A N. N. Vinogradov
%T Certain existence theorems for a periodic solution and theorems on determining the boundary of a region of asymptotic stability of the trivial solution of a system of ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1965
%P 442-448
%V 1
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1965_1_4_a2/
%G ru
%F DE_1965_1_4_a2