edited by Gerald Farin
Society for Industrial and Applied Mathematics, 1991
Buku Teks SO
Ahmad Zuhdi
Universitas Indonesia, 1998
UI - Tesis Membership
Hamilton, Mark
Neo-tech books, 2000
Buku Teks
Dahl, Svend
Scarecrow Press, 1968
Buku Teks SO
Chicago Urantia Foundation 1995,
Buku Teks