TY - JOUR AU - M. Yu. Kokurin AU - A. B. Bakushinsky TI - On the achievable level of accuracy in solving abstract ill-posed problems and nonlinear operator equations in Banach space JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2022 SP - 21 EP - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2022_3_a2/ LA - ru ID - IVM_2022_3_a2 ER -