COURANT,R, HILBERT,D <br/><br/>
METHODS OF MATHEMATICAL PHYSICS,VOL.1 

 - NEW YORK  JW  1989 
 -  560 
<br/><br/> SC-08 
<br/><br/><label>ISBN: </label>NCST  39.95 
<br/><br/><label>Dewey Class. No.: </label>735