%0 Journal Article
%A Yu. V. Egorov
%T Nondegenerate subelliptic pseudodifferential operators
%J Doklady Akademii Nauk
%D 1969
%P 1006-1007
%V 186
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_186_5_a4/
%G ru
%F DAN_1969_186_5_a4