TY - JOUR AU - N. A. Sidorov AU - V. A. Trenogin TI - A~certain approach to the problem of regularization on the basis of the perturbation of linear operators JO - Matematičeskie zametki PY - 1976 SP - 747 EP - 752 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a14/ LA - ru ID - MZM_1976_20_5_a14 ER -