Cheney, E W. <br/><br/>
Introduction to approximation theory 

 - 2nd ed. 
 - New York  Chelsea  1982 
 - x, 259 p.  22 cm.  HB. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Approximation theory
<br/><br/><label>Dewey Class. No.: </label>511.4  / CHE