1. Richard S. Varga: “Matrix Iterative Analysis”. Prentice-Hall, Inc. (1962).
2. William H. Reed, K.P. Hansen: “Finite Difference Techniques for the Solution of the Reactor Kinetics Equations”. MIT-3903-2 MITNE-100 (1969).
3. Eugene L. Wachspress: “Iterative Solution of Elliptic Systems”. Prentice-Hall, Inc. (1966).
4. A.R. Mitchell: “Computational Methods in Partial Differential Equations”. John Wiley & Sons (1969).
5. Walter Rudin: “Principles of Mathematical Analysis”. McGraw-Hill Book Company (1964).