Volpert, Vitaly. ., <br/><br/>
Elliptic partial differential equations: Fredholm theory of elliptic problems in unbounded domains,  v. 1 

 - Basel:  Springer,   2011. . 
 - xvii, 639 p.:  ill;  24cm. 
 - Monographs in mathematics ; ;  v. 101. .
<br/><br/> Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>9783034605366 
<br/><br/><label>Dewey Class. No.: </label>515.353 VOL