Christy, Dennis T. <br/><br/>
Elementary functions / 
Dennis T. Christy 
 - New york :  Harper & Row,  1978 
 - x, 454 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0060412976 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions