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

 - New York  John Wiley & Sons  1978 
 - xiv,688p. 
<br/><br/><label>ISBN: </label>0-471-50731-8 
<br/><br/><label>Subjects--Index Terms: </label>Functional analysis 
<br/><br/><label>Dewey Class. No.: </label>517.9  / KRE