%0 Journal Article
%A V. I. Zubov
%T Potential systems of differential equations
%J Doklady Akademii Nauk
%D 1994
%P 148-149
%V 334
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1994_334_2_a5/
%G ru
%F DAN_1994_334_2_a5