TY - JOUR AU - V. V. Yurgelas TI - Some geometric characteristics of Banach spaces and accretive operators JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1982 SP - 63 EP - 69 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1982_5_a10/ LA - ru ID - IVM_1982_5_a10 ER -