TY  - JOUR
AU  - K.Tukhliev
TI  - Mean-square approximation of functions by Fourier--Bessel series and the values of widths for some functional classes
JO  - Čebyševskij sbornik
PY  - 2016
SP  - 141
EP  - 156
VL  - 17
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2016_17_4_a10/
LA  - ru
ID  - CHEB_2016_17_4_a10
ER  -