Olds, C. D. 1912- Continued fractions/ C. D. Olds. - New York: Random House, [1963]. - 162 p.: illus., 23 cm. - New mathematical library; 9 . Includes bibliography. LCCN: 61012185 /L/r902 Subjects--Topical Terms: Continued fractions. Dewey Class. No.: 512.81 / O44c