Courant, Richard, <br/><br/>
Methods of mathematical physics,  v2. partial differential equations 
by R. Courant and D. Hilbert. 
 - New York,  Interscience Publishers,  1953-62. 
 - 2 v.(xxii,830p.)  illus.  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematical physics 
<br/><br/><label>Dewey Class. No.: </label>530.151  / COU