1. Handbook of Mathematical Functions;Abramowitz,1970
2. Sobolev Spaces;Adams,1975
3. Approximation from shift-invariant subspaces of L2(Rd);de Boor;Trans. Amer. Math. Soc.,1994
4. Approximation orders of FSI Spaces in L2(Rd);de Boor;Constr. Approx.,1998
5. Box Splines;de Boor,1993