%0 Journal Article
%A S. V. Savchenko
%T Stability of the upper bound of a~spectrum under perturbations by diagonal matrices  for a~class of self-adjoint operators
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1998
%P 406-407
%V 53
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1998_53_2_a16/
%G en
%F RM_1998_53_2_a16