%0 Journal Article
%A I. P. Martynov
%T A differential equation with a moving singular line
%J Differencialʹnye uravneniâ
%D 1977
%P 1879-1881
%V 13
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_10_a21/
%G ru
%F DE_1977_13_10_a21