TY - JOUR AU - M. V. Bushmanova AU - V. K. Ivanov TI - Finite-dimensional approximations to the solution of linear operator equations of the first kind JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1984 SP - 11 EP - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1984_2_a1/ LA - ru ID - IVM_1984_2_a1 ER -