Folland, G. B. <br/><br/>
Introduction to partial differential equations 
G. B. Folland 
 - 2th ed 
<br/><br/><label>ISBN: </label>8120318854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial---
<br/><br/><label>Dewey Class. No.: </label>515.353 FOL