Powell, M. J. D.  1936- <br/><br/>
Approximation theory and methods/ 
M. J. D. Powell. 
 - Cambridge, UK:  New York:  Cambridge University Press,  1981. 
 - x, 339 p.:  grapgs;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [317]-332. 
<br/><br/><label>ISBN: </label>0521224721 0521295149 (pbk.) 
<br/><br/><label>LCCN: </label>80040880 //r85 
<br/><br/><label>Nat. Bib. No.: </label>GB81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory.
<br/><br/><label>Dewey Class. No.: </label>511.4  / P885a