%0 Journal Article
%A Yu. Knezhevich
%T Construction of periodic solutions of ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1983
%P 362-364
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_2_a18/
%G ru
%F DE_1983_19_2_a18