TY  - JOUR
AU  - R. M. Trigub
TI  - Summability of multiple Fourier series and the approximation of functions on the torus by polynomials
JO  - Doklady Akademii Nauk
PY  - 1978
SP  - 276
EP  - 279
VL  - 240
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1978_240_2_a7/
LA  - ru
ID  - DAN_1978_240_2_a7
ER  -