%0 Journal Article
%A A. K. Orlov
%T Periodic solutions of singularly perturbed systems of differential equations
%J Differencialʹnye uravneniâ
%D 1983
%P 2176-2177
%V 19
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_12_a21/
%G ru
%F DE_1983_19_12_a21