TY  - JOUR
AU  - V. M. Mordashev
TI  - On a linear combination of functions of several variables best approximated by a sum of functions of a smaller number of variables
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 290
VL  - 198
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_198_2_a8/
LA  - ru
ID  - DAN_1971_198_2_a8
ER  -