1. T. Fort, Finite Differences, Oxford, 1948.
2. Z. Kopal, Numerical Analysis, New York, 1955.
3. L. M. Milne-Thomson, The Calculus of Finite Differences, London, 1951.
4. �ber Interpolation mittels ganzer rationaler Funktionen
5. A. C. Aitken, Determinants and Matrices (3rd ed.), New York, 1944.