TY  - JOUR
AU  - K. Tukhliev
TI  - On the approximation of periodic functions in $L_2$ and the values of the widths of certain classes of functions
JO  - Modelirovanie i analiz informacionnyh sistem
PY  - 2015
SP  - 127
EP  - 143
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAIS_2015_22_1_a8/
LA  - ru
ID  - MAIS_2015_22_1_a8
ER  -