1. Optimal few-point discretizations of linear source problems;Birkhoff;SIAM J. Numer. Anal.,1975
2. The effect on accuarcy of the placement of auxiliary points in the Hodie method for the Helmholtz problem;Boisvert,1978
3. Numerical Treatment of Differential Equations;Collatz,1960
4. The construction of finite difference approximations to ordinary differential equations;Doedel,1976
5. The construction of finite difference approximations to ordinary differential equations;Doedel;SIAM J. Numer. Anal.,1978