TY - JOUR AU - I. N. Okinshevich TI - On convergence and stability of some approximate methods of solving nonlinear operator equations JO - Doklady Akademii Nauk PY - 1972 SP - 823 EP - 826 VL - 206 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_206_4_a12/ LA - ru ID - DAN_1972_206_4_a12 ER -