TY - JOUR AU - A. A. Shtarkman TI - Regularization of nonlinear operator equations with an approximately defined operator JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1982 SP - 72 EP - 76 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1982_4_a12/ LA - ru ID - IVM_1982_4_a12 ER -