Kac, Victor G. <br/><br/>
Infinite dimensional lie algebras / 
Victor G. Kac 
 - 3rd ed. 
 - Cambridge :  Cambridge University Press,  1990 
 - xxi, 400 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 367-398) 
<br/><br/><label>ISBN: </label>0521466938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Infinite dimensional  algebras.
<br/><br/><label>Dewey Class. No.: </label>512.55