Renardy, Michael <br/><br/>
An introduction to partial differential equations / 

 - 2nd 
 - New York:  Springer-Verlag,  1993 
 - xiii, 428p. Index 
 - Texts in Applied Mathematics  13 .
<br/><br/><label>ISBN: </label>9783540979524 
<br/><br/><label>Dewey Class. No.: </label>515.35  / R394.IP