Rowen, Louis H. <br/><br/>
Ring Theory 

 - 2nd 
 - New York  Acdemic Press  1991 
 - xxvii,623 
<br/><br/><label>ISBN: </label>0-12-599840-6 
<br/><br/><label>Dewey Class. No.: </label>512.4 R77R 1991