1. “Numerical Processes in Differential Equations”;Babuska,1966
2. Automast;Ball;Comm, ACM,1966
3. A review of numerical methods for digital simulation;Benyon;Simulation,1968
4. A formal system for differentiation;Blum;J. Assoc. Comput. Mach.,1966
5. Coefficients for the study of Runge-Kutta integration processes;Butcher;J. Austral. Math. Soc.,1963