TY  - JOUR
AU  - Yu. M. Shmandin
TI  - On the question of the approximation of functions by de la Vall\'ee-Poussin means
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1969
SP  - 85
EP  - 98
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1969_5_a11/
LA  - ru
ID  - IVM_1969_5_a11
ER  -