Micchelli, C. A., Rivlin, T. J., & International Symposium on Optimal Estimation in Approximation Theory. (1977). Optimal estimation in approximation theory: [proceedings of an International Symposium on Optimal Estimation in Approximation Theory held in Freudenstadt, Federal Republic of Germany, September 27-29, c1976] / edited by Charles A. Micchelli and Theodore J. Rivlin. New York: Plenum Press.

Micchelli, Charles A., Theodore J. Rivlin, andfavorite International Symposium on Optimal Estimation in Approximation Theory. Optimal Estimation in Approximation Theory: [proceedings of an International Symposium On Optimal Estimation in Approximation Theory Held in Freudenstadt, Federal Republic of Germany, September 27-29, C1976] / Edited By Charles A. Micchelli and Theodore J. Rivlin. New York: Plenum Press, 1977.

Micchelli, Charles A., Theodore J. Rivlin, andfavorite International Symposium on Optimal Estimation in Approximation Theory. Optimal Estimation in Approximation Theory: [proceedings of an International Symposium On Optimal Estimation in Approximation Theory Held in Freudenstadt, Federal Republic of Germany, September 27-29, C1976] / Edited By Charles A. Micchelli and Theodore J. Rivlin. New York: Plenum Press, 1977.