%0 Journal Article
%A M. G. Gimadislamov
%T Criteria for the discreteness of the spectrum of a hypoelliptic operator
%J Matematičeskie zametki
%D 1981
%P 685-693
%V 30
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1981_30_5_a5/
%G ru
%F MZM_1981_30_5_a5