Watson, G. A. <br/><br/>
Approximation theory and numerical methods   

 - New York  John Wiley  1980 
 - x, 229p. Index. Bibl. 
<br/><br/> "A Wiley-interscience publns."   
<br/><br/><label>Dewey Class. No.: </label>515.73  / W338.AT