%0 Journal Article
%A B. R. Vainberg
%T Asymptotic representation of the fundamental solutions of hypo-elliptic equations and the problem 

%J Doklady Akademii Nauk
%D 1962
%P 21-23
%V 145
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_145_1_a3/
%G ru
%F DAN_1962_145_1_a3