TY  - BOOK
AU  - Collatz,L.
AU  - Meinardus,G.
AU  - Werner,H.
TI  - Numerical methods of approximation theory
PY  - 1972///
CY  - Basel
PB  - Birkhauser Verlag
KW  - Approximation theory
KW  - Addresses, essays, lectures
ER  -