Petrosyan, Arshak. <br/><br/>
Regularity of free boundaries in obstacle type problems   

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 - Rhode Island:  American Mathematical Society,  c 2012. 
 - x, 221p.:  26 cm. 
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 - Graduate studies in mathematics ; v. 136. .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780821887943 
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<br/><br/><label>Subjects--Index Terms: </label>Analysis Boundary value problems. 
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<br/><br/><label>Dewey Class. No.: </label>515.353  PET