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

 - Cambridge:  Cambridge Univeristy Press,  1981 
 - x, 339 p. : gra p.gs ; 24 cm 
<br/><br/><label>ISBN: </label>9780521295147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Approximation theory
<br/><br/><label>Dewey Class. No.: </label>511.4 POW