TY  - JOUR
AU  - G. A. Bessmertnykh
TI  - Two methods for approximate solution of operator equations in Hilbert space
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 226
EP  - 229
VL  - 131
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_131_2_a1/
LA  - ru
ID  - DAN_1960_131_2_a1
ER  -