%0 Journal Article
%A L. I. Zhilevich
%T Conditions for the existence and uniqueness of a limit cycle for a certain two-dimensional differential system
%J Differencialʹnye uravneniâ
%D 1976
%P 922-924
%V 12
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_5_a14/
%G ru
%F DE_1976_12_5_a14