TY - JOUR AU - V. P. Tanana AU - A. B. Bredikhina TI - On the optimality of a~generalization of M.\,M.~Lavrent'ev's method in the solution of equations with an error in the operator JO - Trudy Instituta matematiki i mehaniki PY - 2013 SP - 258 EP - 263 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2013_19_1_a25/ LA - ru ID - TIMM_2013_19_1_a25 ER -