Lepowsky, James <br/><br/>
Introduction to vertex operator algebras and their representations 

 - Boston  Birkhauser  2004 
 - xi,318p.  24 cm. HB 
 - Progress in mathematics  v.227 .
<br/><br/><label>ISBN: </label>0817634088 
<br/><br/><label>Dewey Class. No.: </label>512.55  / LEP