On the question of the approximation of functions by de la Vallée-Poussin means
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1969), pp. 85-98
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@article{IVM_1969_5_a11,
author = {Yu. M. Shmandin},
title = {On the question of the approximation of functions by de la {Vall\'ee-Poussin} means},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {85--98},
year = {1969},
number = {5},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1969_5_a11/}
}
Yu. M. Shmandin. On the question of the approximation of functions by de la Vallée-Poussin means. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1969), pp. 85-98. http://geodesic.mathdoc.fr/item/IVM_1969_5_a11/