Douglas, Ronald G. <br/><br/>
Banach algebra techniques in operator theory 
[by] Ronald G. Douglas. 
 - New York,  Academic Press,  1972. 
 - xvi, 216 p. 
 - Pure and applied mathematics; a series of monographs and textbooks ;  v. 49 .
<br/><br/><label>ISBN: </label>0122213505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operator theory.<br/>Banach algebras.<br/>Hilbert space.
<br/><br/><label>Universal Decimal Class. No.: </label>517.982.2  / DOU