Folland, Gerald B.. <br/><br/>
Introduction to partial differential equations /  
by Gerald B. Folland. 
 - 2nd ed /  
 - New Delhi :   Prentice-Hall of India Private Limited ,   1995 
 - xi, 324p :  
<br/><br/><label>ISBN: </label>81-203-1885-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wave operator
<br/><br/><label>Dewey Class. No.: </label>B33  / N5