Cohn, P.M <br/><br/>
Basic algebra  groups, rings & fields 
P.M. Cohn 
 - London  Springer  2003 
 - xii  465 
<br/><br/><label>ISBN: </label>9781852335878 
<br/><br/><label>Dewey Class. No.: </label>2.01  / COHN