M. Reimer. Clenshaw sums in several variables. In Walter Schempp, Karl Zeller, editors, Constructive Theory of Functions of Several Variables: Proceedings of a Conference Held at Oberwolfach, Germany, April 25 - May 1, 1976. Volume 571 of Lecture Notes in Mathematics, pages 176-185, Springer, 1976. [doi]
Abstract is missing.