TY  - JOUR
AU  - M.-B. A. Babaev
TI  - The approximation of polynomials of two variables by functions of the form $\varphi(x)+\psi(y)$
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 967
EP  - 969
VL  - 193
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a0/
LA  - ru
ID  - DAN_1970_193_5_a0
ER  -