TY  - JOUR
AU  - V. N. Temlyakov
TI  - Approximation of periodic functions of several variables by bilinear forms
JO  - Izvestiya. Mathematics 
PY  - 1987
SP  - 133
EP  - 150
VL  - 28
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1987_28_1_a6/
LA  - en
ID  - IM2_1987_28_1_a6
ER  -