editors, M. Brink, R.P. Escobin
Backhuys , 2003
Buku Teks
Sheps, Mindel C., author
Chicago Press, 1973
Buku Teks
Edelstein-Keshet, Leah, author
Society for Industrial and Applied Mathematics, 2005
eBooks
Silvertown, Jonathan W., author
Longman, 1987
Buku Teks
Larcher, W.
Springer-Verlag, 1975
Buku Teks