Humphreys, James E. <br/><br/>
Introduction to Lie algebras and representation theory /  
J. E. Humphreys. 
 - 3. printing, revised 
 - New York [etc.] :   Springer,   [1972]. 
<br/><br/><label>ISBN: </label>0387900527 3540900527 
<br/><br/><label>Universal Decimal Class. No.: </label>512