%0 Journal Article
%A A. P. Sadovskii
%T Limit cycles of a cubic system of nonlinear oscillations
%J Differencialʹnye uravneniâ
%D 1993
%P 226-231
%V 29
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_2_a4/
%G ru
%F DE_1993_29_2_a4