%0 Journal Article
%A G. A. Smolkin
%T A Priori Estimates Related to Differential Operators of Kuptsov--H\"ormander Type
%J Differencialʹnye uravneniâ
%D 2004
%P 242-250
%V 40
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2004_40_2_a10/
%G ru
%F DE_2004_40_2_a10