%0 Journal Article
%A V. A. Lunkevich
%A K. S. Sibirskii
%T Integrals of a system with homogeneous nonlinearities of the third degree in cases of a center
%J Differencialʹnye uravneniâ
%D 1984
%P 1360-1365
%V 20
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1984_20_8_a8/
%G ru
%F DE_1984_20_8_a8