Cissell, Robert. Mathematics of finance / Robert Cissell, Helen Cissell, David C. Flaspohler. - 7th ed. - Boston : Houghton Mifflin, c1986. - xv, 525, 106 p. : ill. ; 24 cm. ISBN: 0395356458 Subjects--Topical Terms: Business mathematics Dewey Class. No.: 513/.93�19