TY - JOUR AU - N. Yu. Bakaev TI - Operator semigroups and differential equations in Banach space JO - Doklady Akademii Nauk PY - 1981 SP - 521 EP - 525 VL - 258 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_258_3_a0/ LA - ru ID - DAN_1981_258_3_a0 ER -