Kac, VG. <br/><br/>
Bombay lectures on highest weight representations of infinite dimensional lie algebras 

 - Singapore  World Scientific  1987 
 - ix, 145p, 22 cm. 
 - Advanced series in mathematical physics vol. 2 .
<br/><br/><label>Dewey Class. No.: </label>512.55,  / D, kac