1. de Boor, C. (1976a), Splines as linear combinations of B-splines. A survey. In Approximation Theory II (Lorentz, G. G., Chui, C. K., and Schumaker, L. L., Eds.), Academic Press, New York, pp. 1–47.
2. de Boor, C. (1976b), On local linear functionals which vanish at all B-splines but one. In Theory of Approximation with Applications (Law, A. G., and Sahney, B. N., Eds.), Academic Press, New York, pp. 120–145.
3. Cohen, E., and Schumaker, L. L. (1985), Rates of convergence of control polygons. CAGD
2, 229–235.
4. Cox, M. G. (1987), Data approximation by splines in one and two independent variables. In The State of the Art in Numerical Analysis, (Iserles, A. and Powell, M. J. D., Eds.), Clarendon Press, Oxford, pp. 111–138.
5. Dahmen, W. (1986), Subdivision algorithms converge quadratic ally. J. Comp. Appl. Math.
16, 145–158.