Yoshida, Kōsaku,  1909- <br/><br/>
Functional Analysis  
K�saku Yosida. 
 - Sixth Edition 
 - Berlin ;  New York :  Springer,  c1995. 
 - xii, 500 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>3540586547 (Berlin : acidfree paper) 
<br/><br/><label>Dewey Class. No.: </label>515 Y833