Trefftzs, Kenneth Lewis. <br/><br/>
Mathematics of business, accounting and finance / 
by Kenneth Lewis Trefftzs and E. Justin Hills. 
 - New York :  Harper & Row,  1956. 
 - xii, 591 p. 
<br/><br/> First published in 1947 under title :Mathematics of business accounting. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics