%0 Journal Article
%A M. V. Kozhero
%T The behavior of the integral surfaces of a homogeneous Pfaffian differential equation in the vicinity of singular rays
%J Differencialʹnye uravneniâ
%D 1969
%P 874-879
%V 5
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_5_a8/
%G ru
%F DE_1969_5_5_a8