Halberg, Charles J. A. <br/><br/>
Elementry functions and analysis / 
Charles J.A. Halberg, John F. Devlin 
 - Glenview, Illinois :  Scott Foresman and Company,  1974 
 - 410 p. :  ill.  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0673077896 
<br/><br/><label>LCCN: </label>73-083486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions