TY  - JOUR
AU  - V. I. Ivanov
TI  - On the Jackson theorem in~$L_2$ for Preiss systems
JO  - Matematičeskie zametki
PY  - 1993
SP  - 37
EP  - 50
VL  - 53
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1993_53_3_a4/
LA  - ru
ID  - MZM_1993_53_3_a4
ER  -