1. Boor, C., Swartz, B.: Collocation at Gaussian points. SIAM J. Numer. Anal.10, 582?605 (1973)
2. Lectures Notes in Mathematics;R. Frank,1976
3. Oliveira, F.A.: Numerical solution of two-point-boundary value problems and spline functions. Presented at the Conference on Numerical Analysis. Colloquia Mathematica Societatis Janos Bolyai 22. Numerical Methods, Keszthely, Hungary, 471?490, 1977
4. Prenter, P.M.: Splines and variational methods, New York: Wiley 1975
5. Russell, R.D., Shampine, L.F.: A collocation method for boundary value problems. Numer. Math.19, 1?28 (1972)