1. Approximations Spectrales de Problém aus Limites Elliptiques;Bernardi,1992
2. Preconditioned iterative methods for nonself-adjoint or indefinite elliptic boundary value problems;Bramble,1984
3. A practical guide to splines;de Boor,1978
4. Spline Tool Box for Use with Matlab;de Boor,1996
5. Collocation at Gaussian points;de Boor;SIAM J. Numer. Anal.,1973