%0 Journal Article
%A L. I. Zhilevich
%T The separatrices and limit cycles of certain differential equations
%J Differencialʹnye uravneniâ
%D 1971
%P 782-790
%V 7
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_5_a1/
%G ru
%F DE_1971_7_5_a1