TY  - JOUR
AU  - A. Yu. Petrovich
TI  - Riemann sums for functions that are expanded in trigonometric series
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1974
SP  - 70
EP  - 72
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1974_12_a12/
LA  - ru
ID  - IVM_1974_12_a12
ER  -