%0 Journal Article
%A V. L. Khatskevich
%T Application of the Galerkin method for determining periodic solutions of differential equations
%J Differencialʹnye uravneniâ
%D 1979
%P 2100-2103
%V 15
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_11_a23/
%G ru
%F DE_1979_15_11_a23