Childs, Lindsay. <br/><br/>
A concrete introcution to higher algebra / 
Lindsay Childs. 
 - New York :  Springer,  1979. 
 - xiv, 338 p. ;  24 cm. 
 - Undergraduate texts in mathematics .
<br/><br/>Includes bibliography and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>038790333X 
<br/><br/><label>LCCN: </label>7821870  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.