Caffarelli, L & Salsa, S <br/><br/>
Geometric approach to free boundary problems 
L. Caffarelli & S. Salsa 
 - Providence  American Mathematical Society  2005 
 - ix  270 
 - Graduate studies in mathematics 68 .
<br/><br/><label>ISBN: </label>9780821837849 
<br/><br/><label>Dewey Class. No.: </label>10.10  / CAFF