Folland, Gerald B <br/><br/>
Introduction To Partial Differential Equations / 
Gerald B. Folland 
 - 2nd Ed. 
 - Usa :  Princeton ,  ©1976. 
 - 324p. 
<br/><br/><label>ISBN: </label>9788189938765 
<br/><br/><label>Dewey Class. No.: </label>515.353  / FolI2