Complex semisimple Lie algebras  
Serre, Jean-Pierre, 
 - Berlin ; | New York :  Springer,  2001 
 - ix, 74 p. ;  24 cm. 
 - Springer monographs in mathematics, .
<br/><br/> Reprint of the 1987 edition." 
<br/><br/><label>ISBN: </label>3540678271 (alk. paper)