TY  - JOUR
AU  - V. P. Tanana
TI  - On optimal algorithms for operator equations of the first kind with a~perturbed operator
JO  - Sbornik. Mathematics
PY  - 1977
SP  - 281
EP  - 297
VL  - 33
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1977_33_2_a6/
LA  - en
ID  - SM_1977_33_2_a6
ER  -