Nakano H. <br/><br/>
Spectral Theory in the Hilbert Space 
Nakano H. 
 - Ueno Park et al  Japan Soc.for the Promot. Of Sci.  1953 
 - 300 p. 
<br/><br/> Tokyo Mathematical Book Series V.4 
<br/><br/><label>Dewey Class. No.: </label>517.984/Berb.