Dautray, Robert
Springer-Verlag, 1990"
Buku Teks
Kushner, Harold J.
Springer-Verlag, 1992
Buku Teks
Elliott, Robert J.
Springer-Verlag, 1994
Buku Teks
Gollery, Martin
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Fraser, Andrew M.
Society for Industrial and Applied Mathematics, 2008
eBooks