TY - JOUR AU - V. P. Tanana TI - Approximate solution of operator equations of the first kind and the geometric properties of Banach spaces JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1971 SP - 81 EP - 93 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1971_7_a10/ LA - ru ID - IVM_1971_7_a10 ER -