%0 Journal Article
%A V. I. Feigin
%T Decrease of the lengths of the gaps in the spectrum of polynomial pencils
%J Matematičeskie zametki
%D 1983
%P 549-557
%V 34
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a6/
%G ru
%F MZM_1983_34_4_a6