Approximation theory and optimization :  tributes to M.J.D. Powell / 
edited by M.D. Buhmann, A. Iserles. 
 - Cambridge :  Cambridge University Press,  1997. 
 - xiii, 220 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521581907 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory--Congresses.<br/>Mathematical optimization--Congresses.