%0 Journal Article
%A A. I. Perov
%T On multi-dimensional differential equations with constant coefficients
%J Doklady Akademii Nauk
%D 1964
%P 1266-1269
%V 154
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_154_6_a5/
%G ru
%F DAN_1964_154_6_a5