Friedrichs, Kurt Otto,  1901- <br/><br/>
Spectral theory of operators in Hilbert space/ 
K. O. Friedrichs. 
 - New York:  Springer-Verlag,  1973. 
 - viii, 244 p.;  26 cm. 
 - Applied mathematical sciences;  v. 9. .
 - Applied mathematical sciences (Springer-Verlag New York Inc.);  v. 9. .
<br/><br/>Bibliography: p. 241. 
<br/><br/><label>ISBN: </label>0837900764 
<br/><br/><label>LCCN: </label>73013721 //r882 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hilbert space.<br/>Spectral theory (Mathematics).<br/>Operator theory.
<br/><br/><label>Dewey Class. No.: </label>515.73   / F911s