%0 Journal Article
%A N. G. Makeev
%T Center conditions for a system with fifth-order nonlinearities of a special form
%J Differencialʹnye uravneniâ
%D 1996
%P 990-991
%V 32
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1996_32_7_a16/
%G ru
%F DE_1996_32_7_a16