Second order elliptic integro-differential problems  
Garroni, M. G. 
 - Boca Raton :  Chapman & Hall/CRC,  2002 
 - xv, 221 p. ;  24 cm. 
 - Chapman & Hall/CRC research notes in mathematics series ;  430 .
<br/><br/><label>ISBN: </label>158488200X (pbk. : alk. paper)