Rivlin, Theodore J., 1926- An introduction to the approximation of functions/ Theodore J. Rivlin. - New York: Dover, 1981. - viii, 150 p.; 21 cm. - Dover books on advanced mathematics . Reprint of: Waltham : Blaisdell, 1969. Bibliography: p. 143-147. ISBN: 0486640698 LCCN: 80069675 Subjects--Topical Terms: Approximation theory.Functions. Dewey Class. No.: 511.42 / R625i