Assem, Ibrahim. <br/><br/>
Elements of the representation theory of associative algebras .V.1 
Ibrahim Assem, Daniel Simson, Andrzej Skowroński. 
 - Cambridge, UK ;  New York :  Cambridge University Press,  2006-2007. 
 - V.1. Techniques of the representation theory 
<br/><br/><label>ISBN: </label>9780521584234 (v. 1 : hardback) 052158423X (v. 1 : hardback) 9780521586313 (v. 1 : pbk.) 0521586313 (v. 1 : pbk.) 
<br/><br/><label>Universal Decimal Class. No.: </label>512.815  / ASS.1