Folland, G. B. <br/><br/>
Introduction to partial differential equations.-2nded. 
Gerald B. Folland. 
 - 2nd ed. 
 - New Delhi. :  Princeton University Press,  c2003. 
 - xi, 324 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0691043612 (cl : alk. paper) 
<br/><br/><label>Subjects--Index Terms: </label>Partial differential equations 
<br/><br/><label>Universal Decimal Class. No.: </label>517.95  / FOL