Douglas, Ronald G <br/><br/>
Banach algebra techniques in operator theory 

 - 2nd ed 
 - New York  Springer  1998 
 - xvi, 194p.  HB  26cm. 
<br/><br/><label>ISBN: </label>9780387983776 
<br/><br/><label>Dewey Class. No.: </label>515.724  / DOU