Armstrong, James W. <br/><br/>
Elements of mathematics / 
James W. Armstrong 
 - 2nd ed. 
 - New York :  MacMillan,  1976 
 - x, 356 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0023039108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--1961-