%0 Journal Article
%A A. S. Popeluhin
%T On local solvability and hypoellipticity of a class of P.D.O. with double characteristics
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1990
%P 54-56
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1990_6_a11/
%G ru
%F VMUMM_1990_6_a11