%0 Journal Article
%A V. V. Stolyarov
%T A quadratic system with a limit cycle surrounded by a separatrix loop of a saddle
%J Differencialʹnye uravneniâ
%D 1992
%P 1643-1644
%V 28
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_9_a25/
%G ru
%F DE_1992_28_9_a25