Friedrichs K O <br/><br/>
Spectral theory of operators in hilbert space 

 - New York       Springer Verlag         1973 
 - vii, 244p.  cm. 
 - Applied mathematical Sciences; 9 .
<br/><br/><label>Standard No.: </label>22064 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Spectral theory<br/>Hilbert Science
<br/><br/><label>Dewey Class. No.: </label>B313N, L3