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

 - 3rd 
 - Noida  Wiley India Pvt. Ltd.  2007 
<br/><br/><label>ISBN: </label>81-265-1191-5 
<br/><br/><label>Dewey Class. No.: </label>517.5  / K87I