Charles, Randall I. <br/><br/>
Essentials of Mathematics 

 - 
 - U.S.A.  Addison-Wesley Publishing Company, Inc.  1989 
 - 534 
<br/><br/><label>ISBN: </label>0201219891 
<br/><br/><label>Dewey Class. No.: </label>510 .Ch38a