Hart, William L. <br/><br/>Mathematics of investment William I. Hart  -- 5th ed.  -- Massachusetts  D.C. Heath and Company  1980 <br/>xiii, 296p.  20cm. <br/><br/> Includes indexes. <br/><br/><label>ISBN: </label>9710811770 <br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics<br/>Life insurance -- Mathematics<br/><br/><label>Dewey Class. No.: </label>Res 650.01513 H251 1980