%0 Journal Article
%A L. R. Volevich
%T On general systems of differential equations
%J Doklady Akademii Nauk
%D 1960
%P 20-23
%V 132
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_1_a3/
%G ru
%F DAN_1960_132_1_a3