Petrosyan, Arshak <br/><br/>
Regularity of free boundaries in obstacle-type problems / 
Arshak Petrosyan ,Henrik Shahgholian, N.N. Uralts︡eva 
 - Island  American Mathematical Society  2013 
 - x, 221pages,  26 cm. 
<br/><br/> $58<br/>TB335/07 
<br/><br/><label>ISBN: </label>9780821887943 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boundary value problems
<br/><br/><label>Dewey Class. No.: </label>515.353 PET