APPROXIMATION THEORY V. I. 

 - NEW YORK  ACADEMIC PRESS   1989 
<br/><br/> INCLUDES INDEX 
<br/><br/><label>ISBN: </label>0121745864 
<br/><br/><label>Source: </label>B-14517 
<br/><br/><label>LC Class. No.: </label>QA2.A66  / V1