%0 Journal Article
%A S. G. Gindikin
%T Differential operators with real characteristics of high order
%J Doklady Akademii Nauk
%D 1972
%P 1037-1040
%V 204
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_204_5_a2/
%G ru
%F DAN_1972_204_5_a2