TY - JOUR AU - S. Prößdorf AU - B. Silbermann TI - General convergence theorems on projection methods for operator equations in Banach spaces JO - Doklady Akademii Nauk PY - 1976 SP - 527 EP - 529 VL - 230 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_230_3_a6/ LA - ru ID - DAN_1976_230_3_a6 ER -