TY  - JOUR
AU  - J. R. Retherford
TI  - Schauder bases and best approximation
JO  - Colloquium Mathematicum
PY  - 1970
SP  - 91
EP  - 110
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-22-1-91-110/
DO  - 10.4064/cm-22-1-91-110
LA  - en
ID  - 10_4064_cm_22_1_91_110
ER  -