TY - JOUR AU - A. I. Grebennikov TI - On optimal methods of solving nonlinear ill-posed problems JO - Doklady Akademii Nauk PY - 1979 SP - 530 EP - 534 VL - 246 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_246_3_a3/ LA - ru ID - DAN_1979_246_3_a3 ER -