1. P. J. Davis, Circulant Matrices. John Wiley & Sons, New York, 1979.
2. G. F. Fairweather and R. L. Johnson, The method of fundamental solusions for problems in potential theory. Treatment of Integral Equations by Numerical Methods (eds. C. T. H. Baker and G. F. Miller), Academic Press, New York, 1982.
3. G. H. Golub and C. F. Van Loan, Matrix Computations. Johns Hopkins University Press, 1983.
4. M. Katsurada, An Analysis on Charge Simulation Method. Master thesis, Department of Mathematics, Univ. Tokyo, 1986 (In Japanese).
5. S. Murashima, Charge Simulation Method and Its Application. Morikita Shuppan, 1983 (In Japanese).