TY  - BOOK
AU  - Meinardus, Gunter
ED  - Schumaker, Larry L. 
TI  - Approximation of functions : theory and numerical methods
T2  - Springer tracts in natural philosophy; no.13
U1  - 515.2 
PY  - 1967///
CY  - Berlin
PB  - Springer-Verlag
ER  -