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

 - Singapore  John Wiley  2001 
 - xiv, 688p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9971513811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Banach spaces<br/>Functional analysis<br/>Hilbert spaces<br/>Linear operators<br/>Metric spaces<br/>Normed spaces