TY  - JOUR
AU  - A. N. Tikhonov
TI  - On normal solutions of approximate systems of linear algebraic equations
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 549
EP  - 554
VL  - 254
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_254_3_a8/
LA  - ru
ID  - DAN_1980_254_3_a8
ER  -