%0 Journal Article
%A A. F. Andreev
%A A. P. Sadovskii
%A V. A. Tsikalyuk
%T The Center-Focus Problem for a System with Homogeneous Nonlinearities in the Case of Zero Eigenvalues of the Linear Part
%J Differencialʹnye uravneniâ
%D 2003
%P 147-153
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2003_39_2_a0/
%G ru
%F DE_2003_39_2_a0