TY  - JOUR
AU  - B. I. Golubov
TI  - Approximation of functions of several variables by spherical Riesz means
JO  - Matematičeskie zametki
PY  - 1975
SP  - 181
EP  - 191
VL  - 17
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1975_17_2_a1/
LA  - ru
ID  - MZM_1975_17_2_a1
ER  -