Gohberg, I <br/><br/>
Basic Operator Theory 
/ by Israel Gohberg 
 - Berlin:  Birkhauser,  1980. 
 - xiii, 285p. 
<br/><br/><label>ISBN: </label>9780817642624 
<br/><br/><label>Dewey Class. No.: </label>515.724  / GOH/B