%0 Journal Article
%A E. L. Perchik
%T On a remark of E. Goursat and its applications
%J Differencialʹnye uravneniâ
%D 1994
%P 1561-1565
%V 30
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1994_30_9_a8/
%G ru
%F DE_1994_30_9_a8