Keedy, Mervin L. <br/><br/>
Essential mathematics 

 - 3 ed. 
 - Reading, Mass. :  Addison-Wesley,  1980 
 - 642 p.  ; apénd. 
<br/><br/><label>LCCN: </label>27205 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas.
<br/><br/><label>Dewey Class. No.: </label>510  / K4 1980