Hart, William L. <br/><br/>
Mathematics of investment 

 - 5th edition 
 - Lexington, Massachusetts  D.C. Heath & Company  1980 
 - 296 pages  Illustrations ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics of investment