Williams, Floyd L. <br/><br/>
Lectures on the spectrum of L2(G)   

 - New York  John Wiley  1991 
 - 347p. 
 - Pitman research notes in Mathematics series   v. 242 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>513  / W723.LS