TY  - BOOK
AU  - Watson,G A   .
TI  - Approximation theory and numerical methods / 
SN  - 0471277061
U1  - 511.42 
PY  - 1980///
CY  - New york : 
PB  - John Wiley & Sons , 
KW  - APPROXIMATION THEORY
N1  - Includes index and bibliographical referencs
ER  -