1. Bulirsch, R., Stoer, J.: Einführung in die numerische Mathematik II. Berlin-Heidelberg-New York: Springer 1973.
2. Ladas, G. E., Laksmikanthan, V.: Differential Equations in Abstract Spaces. New York-London: Acad. Press. 1972.
3. Lambert, J. D.: Computational Methods in Ordinary Differential Equations. London-New York: Wiley 1973.
4. Mitchell, A. R.: Computational Methods in Partial Differential Equations. London-New York: Wiley 1969.
5. Stetter, H. J.: Analysis of Discretization Methods for Ordinary Differential Equations. Berlin-Heidelberg-New York: Springer 1973.