%0 Journal Article
%A V. V. Lychagin
%T On the singularities of solutions of differential equations
%J Doklady Akademii Nauk
%D 1980
%P 794-799
%V 251
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_251_4_a5/
%G ru
%F DAN_1980_251_4_a5