Duffy <br/><br/>
Green's Functions With Applicatons 

 - 2nd 
 - USA  CRC Press  2018 
 - 667 
<br/><br/><label>ISBN: </label>9781138894464  RS 5844.00 
<br/><br/><label>Dewey Class. No.: </label>515.35 DUF