Bechtell, Homer <br/><br/>
The theory of groups 
Homer Bechtell 
 - Reading, Mass.  Addison-Wesley  1971 
 - xii, 144 p. ; 24 cm. 
<br/><br/>p. 135-136. 
<br/><br/><label>LCCN: </label>71-136116 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory