Powell M.J.D. <br/><br/>
Approximation theory and methods 

 -  1981 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>690 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B114, M1