Childs, Lindsay N. <br/><br/>
A concrete introduction to higher algebra / 
Lindsay N. Childs. 
 - 2nd ed. 
 - New  York :  Springer-Verlag,  1995. 
 - xv, 522 p. ;  24 cm. 
 - Undergraduate texts in mathematics .
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0387944842 
<br/><br/><label>LCCN: </label>955934  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.