TY  - JOUR
AU  - V. V. Arestov
TI  - On the best uniform approximation of differentiation operators
JO  - Matematičeskie zametki
PY  - 1969
SP  - 273
EP  - 284
VL  - 5
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a0/
LA  - ru
ID  - MZM_1969_5_3_a0
ER  -