Gustafson, K.E <br/><br/>
Partial differential equations & hilbert space methods  introduction 
K.E. Gustafson 
 - New York  John Wiley & Sons  1980 
 - xv  270 
<br/><br/><label>ISBN: </label>0471040894 
<br/><br/><label>Dewey Class. No.: </label>10.02  / GUST