Prenter, P.M <br/><br/>
Splines & variational methods 
P.M. Prenter 
 - New York  John Wiley & Sons  1975 
 - xi  323 
 - Pure & applied mathematics .
<br/><br/><label>ISBN: </label>0471696609 
<br/><br/><label>Dewey Class. No.: </label>11.09  / PREN