TY  - JOUR
AU  - V. V. Ivanov
TI  - Perturbation of uniformly summable semigroups of operators
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 269
EP  - 273
VL  - 250
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_250_2_a1/
LA  - ru
ID  - DAN_1980_250_2_a1
ER  -