TY  - JOUR
AU  - I. SINGER
TI  - On best Approximation of Continuous Functions.
JO  - Mathematische Annalen
PY  - 1960
SP  - 165
EP  - 168
VL  - 140
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1960__140_160770/
ID  - MAN_1960__140_160770
ER  -