TY  - JOUR
AU  - S. V. Savchenko
TI  - Stability of the upper bound of a~spectrum under perturbations by diagonal matrices  for a~class of self-adjoint operators
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1998
SP  - 406
EP  - 407
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1998_53_2_a16/
LA  - en
ID  - RM_1998_53_2_a16
ER  -