TY  - JOUR
AU  - S. B. Vakarchuk
AU  - M. Sh. Shabozov
AU  - M. R. Langarshoev
TI  - On the best mean square approximations by entire functions of exponential type in $L_2(\mathbb R)$ and mean $\nu$-widths of some functional classes
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 2014
SP  - 30
EP  - 48
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_2014_7_a2/
LA  - ru
ID  - IVM_2014_7_a2
ER  -