%0 Journal Article
%A S. V. Uspenskii
%T The representation of functions defined by a certain class of hypoelliptic operators
%J Informatics and Automation
%D 1972
%P 292-299
%V 117
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1972_117_a14/
%G ru
%F TRSPY_1972_117_a14