%0 Journal Article
%A P. B. Golokvoschyus
%T Periodic solutions of a special nonlinear differential system
%J Differencialʹnye uravneniâ
%D 1984
%P 1623-1628
%V 20
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1984_20_9_a21/
%G ru
%F DE_1984_20_9_a21