Kreyszig, E. <br/><br/>
Introductory functional analysis with applications / 
Erwin Kreyszig. 
 - New York :  Wiley;  1978. 
 - xiv, 688 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471507318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional analysis
<br/><br/><label>LC Class. No.: </label>DUCE QA320.K74