%0 Journal Article
%A Yu. V. Churin
%T Dependence of the periodic solutions of a third order system of differential equations on parameters
%J Differencialʹnye uravneniâ
%D 1969
%P 1338-1340
%V 5
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_7_a22/
%G ru
%F DE_1969_5_7_a22