TY  - JOUR
AU  - P. A. Shvartsman
TI  - On the localization of spectra for the sum and product of matrices of certain classes
JO  - Algebra i analiz
PY  - 1998
SP  - 202
EP  - 247
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1998_10_1_a8/
LA  - ru
ID  - AA_1998_10_1_a8
ER  -