TY  - JOUR
AU  - M. A. Yastrebova
TI  - The $(C,\,1)$-summability of the expansions of functions in periodic multiplicative orthonormal systems
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1969
SP  - 112
EP  - 123
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1969_12_a14/
LA  - ru
ID  - IVM_1969_12_a14
ER  -