Johnson, Norman L.
John Wiley & Sons, 1977
Buku Teks
Wong, Roderick, 1944-
Society for Industrial and Applied Mathematics, 2001
eBooks
Deuschel, Jean-Dominique, editor
[Springer, ], 2012
eBooks
Kyburg, Henry E.
Prentice-Hall, 1969
Buku Teks
Krickeberg, Klaus
Addison-Wesley, 1965
Buku Teks