%0 Journal Article
%A V. A. Baltag
%T Cubic null-systems of differential equations
%J Differencialʹnye uravneniâ
%D 1991
%P 345-347
%V 27
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_2_a18/
%G ru
%F DE_1991_27_2_a18