1. “Integration Formulas and Schemes Based on g-splines”;Andria;Math. Comp.,1973
2. Generalized Inverse Matrices;Boullion,1971
3. Interpolation and Approximation;Davis,1963
4. Enright, W.H., Studies in the Numerical Solution of Stiff Ordinary Differential Equations, Ph.D. Thesis, University of Toronto, 1972.
5. “Optimal Second Derivative Methods for Stiff Systems,”;Enright,1974