TY - JOUR AU - A. S. Leonov TI - On algorithms for an approximate solution of nonlinear ill-posed problems with a perturbed operator JO - Doklady Akademii Nauk PY - 1979 SP - 300 EP - 304 VL - 245 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_245_2_a6/ LA - ru ID - DAN_1979_245_2_a6 ER -