TY - JOUR AU - I. V. Sukharevsky TI - On the $\lambda$-stability of solutions of operator equations in Banach space JO - Doklady Akademii Nauk PY - 1958 SP - 454 EP - 457 VL - 118 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_118_3_a9/ LA - ru ID - DAN_1958_118_3_a9 ER -