TY  - BOOK
AU  - Conference on Approximation Theory, 1963.
AU  - Butzer, F.L., ed.
AU  - Korevaar, J., ed.
TI  - On approximation theory - proceedings..
T2  - International series of numerical mathematics
U1  - 511.4 
PY  - 1964///
CY  - Vorbehalten
PB  - Birkhauser Verlag Ba
ER  -