1. Numerical Processes in Differential Equations;Babuska,1966
2. Funktionalanalysis und Numerische Mathematik;Collatz,1964
3. Stability and error bounds in the numerical integration of ordinary differential equations;Dahlquist;Trans. Roy. Inst. Technol. Stockholm,1959
4. Numerical Solution of Ordinary and Partial Differential Equations;Fox,1962
5. Numerical Methods for Scientists and Engineers;Hamming,1962