1. W. Haussmann, Tensorproduktmethoden bei mehrdimensionaler Interpolation, Math. Z.
124 (1972), 191–198.
2. G.G. Lorentz, K. Jetter and S.D. Riemenschneider, “Birkhoff Interpolation,” Encyl. of Math, and Appl., vol. 19, Addison-Wesley, Reading 1983.
3. G.G. Lorentz and R.A. Lorentz, Multivariate Interpolation, pp. 136–144, in: Rational Approximation and Interpolation, Lecture Notes in Math. no. 1105, Springer-Verlag, Berlin 1984.
4. G.G. Lorentz and R.A. Lorentz, Solvability problem of bivariate interpolation I, in print in Constructive Approximation; II in print in Journal of Approximation and its Applications, Beijing.
5. H. Werner, Remarks on Newton type multivariate interpolation for subsets of grids, Computing
25 (1980), 181–191.