%0 Journal Article
%A A. G. Baskakov
%A D. B. Didenko
%T Spectral Analysis of Operator Polynomials and Second-Order Differential Operators
%J Matematičeskie zametki
%D 2020
%P 490-506
%V 108
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a1/
%G ru
%F MZM_2020_108_4_a1