Ratschek, H. <br/><br/>
Computer methods for the range of functions 
/ by H. Ratschek 
 - New York:  John Wiley & Sons,  1984 
 - 168p. 
<br/><br/><label>ISBN: </label>0853127034 
<br/><br/><label>Dewey Class. No.: </label>515.7  / RAT/C