%0 Journal Article
%A S. Z. Levendorskii
%T Spectral asymptotics of nonlinear pencils and operators with nonempty essential spectrum
%J Doklady Akademii Nauk
%D 1983
%P 1314-1317
%V 272
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1983_272_6_a8/
%G ru
%F DAN_1983_272_6_a8