TY  - JOUR
AU  - A. S. Belov
TI  - Order estimates for best approximations and moduli of continuity of the sum of a trigonometric series with Quasi-monotone coefficients
JO  - Matematičeskie zametki
PY  - 1992
SP  - 132
EP  - 134
VL  - 51
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a17/
LA  - ru
ID  - MZM_1992_51_4_a17
ER  -