%0 Journal Article
%A Ya. V. Bykov
%A N. I. Fomina
%T The singular solutions of nonlinear differential equations.~I
%J Differencialʹnye uravneniâ
%D 1973
%P 983-994
%V 9
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_6_a0/
%G ru
%F DE_1973_9_6_a0