Siegel, Daniel M.
Cambridge University Press, 1991
Buku Teks
Wangsness, Roald K., author
John Wiley & Sons, 1979
Buku Teks
Ferraro, V.C.A., author
Athlone Press, 1962
Buku Teks
Banks, H.T., author
Society for Industrial and Applied Mathematics, 2000
eBooks
Reitz, John R., author
Addison-Wesley, 1993
Buku Teks