%0 Journal Article
%A V. P. Shapovalov
%T Integration of certain classes of systems of two first order ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1973
%P 1154-1155
%V 9
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_6_a22/
%G ru
%F DE_1973_9_6_a22