Aupetit, B <br/><br/>
Primer on spectral theory 
B. Aupetit 
 - New York  Springer  1991 
 - xii  193 
 - Universitext .
<br/><br/><label>ISBN: </label>0-387-97390-7 
<br/><br/><label>Dewey Class. No.: </label>5.02+5.03+5.05  / AUPE