%0 Journal Article
%A N. N. Dedok
%T Limit cycles of a system of differential equations
%J Differencialʹnye uravneniâ
%D 1988
%P 683-684
%V 24
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1988_24_4_a16/
%G ru
%F DE_1988_24_4_a16