Dynamical groups and spectrum generating algebras 
by A. Bohm, Y. Neeman, O. A. Barut 
 - Singapore  World Scientific  1988 
 - 2 v. ; 25 cm. 
<br/><br/><label>ISBN: </label>9971501465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group algebras<br/>Spectral theory (Mathematics)