TY  - JOUR
AU  - K. V. Runovskii
TI  - Direct and inverse theorems of approximation theory in the spaces $L_p$, $0
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 684
EP  - 686
VL  - 331
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_331_6_a8/
LA  - ru
ID  - DAN_1993_331_6_a8
ER  -