%0 Journal Article
%A Yu. K. Metlyaev
%T The periodic solutions of a certain differential equation
%J Differencialʹnye uravneniâ
%D 1970
%P 1824-1830
%V 6
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_10_a9/
%G ru
%F DE_1970_6_10_a9