1. J. de Pillis and M. Neumann,Iterative methods with k-part splittings, IMA J. Numer. Anal. 1, (1981), 65–79.
2. D. J. Evans and N. M. Missirlis.The preconditioned simultaneous displacement method (PSD method), MACS 22, (1980), 256–263.
3. E. Isaacson and H. B. Keller,Analysis of Numerical Methods, John Wiley and Sons, New York (1966).
4. A. Hadjidimos,The optimal solution of the extrapolation problem of a first order scheme, Intern. J. Comput. Math. 13, (1983), 153–168.
5. G. Kjellberg,On the convergence of successive over-relaxation applied to a class of linear systems of equations with complex eigenvalues, Ericsson Technics, Stockholm 2, (1958), 245–258.