Childs, Lindsay N. <br/><br/>
A concrete introduction to higher algebra / 
Childs, Lindsay N. 
 - 2nd ed. 
 - New Delhi:  Springer,  2006. 
 - xv,522p.23cm. 
 - Undergraduate Texts in Mathematics / ed by Axler, S. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8181284135 
<br/><br/><label>Dewey Class. No.: </label>512.7 CHI