1. The Theory of Splines and Their Applications;Alberg,1967
2. A Practical Guide to Splines;de Boor,1978
3. Contribution to the problem of approximation of equidistant data by analytic functions;Schoenberg;Quart. Appl. Math.,1946
4. Spline Functions: Basic Theory;Schumaker,1981
5. Generalized B-spline signal processing;Panda;Signal Processing,1996