TY  - JOUR
AU  - K.Tukhliev
TI  - Best approximations and widths of some classes of convolutions in $L_{2}$
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2016
SP  - 284
EP  - 294
VL  - 22
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2016_22_4_a26/
LA  - ru
ID  - TIMM_2016_22_4_a26
ER  -