Steinberg, David J. (David Joel)
Westview Press, 1994
Buku Teks
Maruya, Saiichi
Kodansha International, 1986
Buku Teks
Saad, Ibrahim
ISEAS, 0
Buku Teks
Carroll, R.W.
Academic Press, 1976
Buku Teks
edited by Michael P. Mortell, Robert E. O'Malley, Alexei Pokrovskii, Vladimir Sobolev
Society for Industrial and Applied Mathematics, 2005
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