Guenther, R.B & Lee, J.W <br/><br/>
Partial differential equations of mathematical physics & integral equations 
R.B. Guenther & J.W. Lee 
 - New York  Dover Publications   1996 
 - xii  562 
<br/><br/><label>ISBN: </label>9780486688893 
<br/><br/><label>Dewey Class. No.: </label>10.02+13.01+10.08  / GUEN