Renardy, Michael, Rogers, Robert C. <br/><br/>
An introduction to partial diggerential equations 

 - Springer  Verlag  1993 
 - xiv, 428p, 22cm 
 - Texts in applied mathematics .
<br/><br/><label>ISBN: </label>0387979522 
<br/><br/><label>Dewey Class. No.: </label>515.353,  / D, ren