TY  - JOUR
AU  - V. A. Andrienko
TI  - The degree of approximation of functions by the $(C,1)$-means of their orthogonal expansions
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1967
SP  - 3
EP  - 15
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1967_8_a0/
LA  - ru
ID  - IVM_1967_8_a0
ER  -