%0 Journal Article
%A V. S. Denisov
%T Limit cycles of an autonomous system
%J Differencialʹnye uravneniâ
%D 1979
%P 1572-1579
%V 15
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_9_a3/
%G ru
%F DE_1979_15_9_a3