Folland,Gerald B. <br/><br/>
Introduction to partial differential equations 

 - 2nd ed. 
 - Delhi  Prentice-Hall of India  2001 
 - xi,324p.  22cm.PB. 
<br/><br/><label>ISBN: </label>8120318854 
<br/><br/><label>Dewey Class. No.: </label>515.353  / FOL