Dubisch, Roy. <br/><br/>
Introduction to abstract algebra / 
Roy Dubisch. 
 - New York :  Wiley,  c1965. 
 - ix, 193 p. 
<br/><br/><label>LCCN: </label>65-16405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Abstract.<br/>Set theory.