Putnam, C.R. <br/><br/>
Commutation Properties of Hilbert Spase Operators and Related Topics / 
C.R. Putnam. 
 - New York :  Springer-Verlag,  1967. 
 - viii, 167 p. :  ill. ;  24 cm. 
 - Ergebnisse der Mathematik und ihrer Grenzgebiete  Bd. 36 .
<br/><br/>Bibliography: p. 147-160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hilbert Spase Operators--Commutation Properties