Sayas, Francisco-Javier, <br/><br/>
Variational techniques for elliptic partial differential equations :  theoretical tools and advanced applications / 
Francisco J. Sayas, Thomas S. Brown, Matthew E. Hassell. 
 - xxii, 492 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781138580886  RM413.11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Elliptic.<br/>Differential equations, Partial.