TY  - JOUR
AU  - A. V. Efimov
TI  - Some estimates of the rate of summability of orthogonal series by linear means
JO  - Matematičeskie zametki
PY  - 1968
SP  - 261
EP  - 268
VL  - 4
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1968_4_3_a1/
LA  - ru
ID  - MZM_1968_4_3_a1
ER  -