%0 Journal Article
%A V. N. Gorchakov
%T On the asymptotic behaviour of the spectral function of a class of hypo-elliptic operators
%J Doklady Akademii Nauk
%D 1963
%P 519-522
%V 152
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a2/
%G ru
%F DAN_1963_152_3_a2