TY  - JOUR
AU  - V. V. Ivanov
TI  - Uniformly summable semigroups of operators. II. Perturbation of semigroups
JO  - Matematičeskie trudy
PY  - 1987
SP  - 159
EP  - 182
VL  - 9
UR  - http://geodesic.mathdoc.fr/item/MT_1987_9_a14/
LA  - ru
ID  - MT_1987_9_a14
ER  -