%0 Journal Article
%A S. Z. Levendorskii
%T Asymptotic behavior of the spectrum of pseudodifferential operators of negative order with multiple characteristics
%J Doklady Akademii Nauk
%D 1986
%P 540-543
%V 288
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_288_3_a5/
%G ru
%F DAN_1986_288_3_a5