Erwin Kreyszig <br/><br/>
Introductory Functional Analysis with Applications 

 -  Wiley India Pvt. Ltd. (Wiley Student Edition)  2007 
 - 704p. 
<br/><br/><label>ISBN: </label>9788126511914 
<br/><br/><label>Dewey Class. No.: </label>515.7 KRE/K