Ali Arman
1999
UI - Tesis Membership
Flugge, Wilhelm
Blaisdell, 1967
Buku Teks
Christensen, R.M.
Academic Press, 1982
Buku Teks
Fabrizio, Mauro
Society for Industrial and Applied Mathematics, 1992
eBooks
Istiantoro Soekardi
Yayasan Obor Indonesia, 2004
Buku Referensi