%0 Journal Article
%A S. Z. Levendorskii
%T Spectral asymptotics of degenerate systems
%J Doklady Akademii Nauk
%D 1985
%P 793-796
%V 280
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_280_4_a4/
%G ru
%F DAN_1985_280_4_a4