R, Courant <br/><br/>
Methods of mathematical physics / 
R, Courant 
 - vol 2 
 - New york  John wiley & sons  1962 
 - xxii, 830p,   pbk 
<br/><br/><label>ISBN: </label>0471504394 
<br/><br/><label>LC Class. No.: </label>QC19.2.C6 1962