Childs, Lindsay. <br/><br/>
A concrete introduction to higher algebra/ 
Lindsay Childs. 
 - New York:  Springer,  c1979. 
 - xiv, 338 p. ;  24 cm. 
 - Undergraduate texts in mathematics. .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [332]-334. 
<br/><br/><label>ISBN: </label>038790333X 
<br/><br/><label>LCCN: </label>78021870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algèbre.<br/>Algebra.
<br/><br/><label>Dewey Class. No.: </label>512.9