TY  - JOUR
AU  - I. I. Ibragimov
AU  - M.-B. A. Babayev
TI  - Methods for finding functions deviating least from functions of several variables
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 766
EP  - 769
VL  - 197
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a6/
LA  - ru
ID  - DAN_1971_197_4_a6
ER  -