TY  - JOUR
AU  - A. Yu. Petrovich
TI  - Properties of Riemann sums for functions representable by a trigonometric series with monotone coefficients
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 331
EP  - 347
VL  - 26
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/SM_1975_26_3_a2/
LA  - en
ID  - SM_1975_26_3_a2
ER  -