TY  - BOOK
AU  - Christensen, Ole
AU  - Christensen, Khadija L.
TI  - Approximation theory : : from taylor polynomials to wavelets 
T2  - Applied and numerical harmonic analysis
SN  - 0817636005
U1  - 515.73 
PY  - 2004///
CY  - Boston
PB  - Birkhauser
ER  -