1. The quasi-interpolant as a tool in elementary polynomial spline theory;de Boor,1973
2. A bound on the L∞-norm of L2-approximation by splines in terms of a global mesh ratio;de Boor;Math. Comp.,1976
3. On a max-norm bound for the least squares splines approximant;de Boor,1981
4. C. de Boor, S. Friedland, and A. Pinkus, Inverses of infinite sign regular matrices MRC TSR No. 2159