%0 Journal Article
%A L. G. Mikhailov
%T A property of singular differential equations
%J Doklady Akademii Nauk
%D 1991
%P 681-686
%V 321
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_321_4_a8/
%G ru
%F DAN_1991_321_4_a8