Kreyszig, Erwin <br/><br/>
Introductory functional analysis with applications 

 - New York  John Wiley & Sons  2001 
 - xiv,688p.  22cm. PB. 
<br/><br/><label>ISBN: </label>9971513811 
<br/><br/><label>Dewey Class. No.: </label>515.7  / KRE