TY  - BOOK
AU  - Meinardus Gunter
AU  - Schumaker L L
TI  - Approximation of functions: theory and numerical methods
U1  - 515 
PY  - 1967///
CY  - Berlin
PB  - Springer Verlag
KW  - Approximation theory
KW  - Numerical methods
N1  - German ed. published in librarry
ER  -