Kushner, Harold J., author
Springer-Verlag, 1992
Buku Teks
Davis, M.H.A., author
Chapman & Hall, 1993
Buku Teks
edited by R.W. Lewis
Pineridge Press, 1979
Buku Teks
editors, C. Taylor, E. Hinton, D.R.J. Owen
Pineridge Press, 1980"
Buku Teks
Society for Industrial and Applied Mathematics, 1996
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