TY  - JOUR
AU  - S. A. Smolyak
TI  - $\varepsilon$-entropy of the classes $E_s^{\alpha,k}(B)$ and $W_s^\alpha(B)$ in the metric of $L_2$
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 30
EP  - 33
VL  - 131
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_131_1_a6/
LA  - ru
ID  - DAN_1960_131_1_a6
ER  -