TY  - JOUR
AU  - S. B. Vakarchuk
TI  - Approximation by classical orthogonal polynomials with weight in spaces $L_{2,\gamma}(a,b)$ and widths of some functional classes
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 2019
SP  - 37
EP  - 51
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_2019_12_a3/
LA  - ru
ID  - IVM_2019_12_a3
ER  -