Patterson,E.M. <br/><br/>
Elementary Abstract Algebra 

 - London W.I  Oliver and Boyd LTD  1965 
 - p.211 
<br/><br/><label>Subjects--Topical Terms: </label> Binary Operations  Groups  Rings,Integral Domains and Fields 
<br/><br/><label>Dewey Class. No.: </label>512.8 P24