%0 Journal Article
%A G. G. Kazaryan
%A V. N. Markaryan
%T Lower bounds for the~functional dimension of the solution space of hypoelliptic operators
%J Sbornik. Mathematics
%D 1991
%P 341-353
%V 70
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1991_70_2_a1/
%G en
%F SM_1991_70_2_a1