Waugh, Albert E., author
McGraw-Hill, 1952
Buku Teks SO
Meredith, William M., author
McGraw-Hill , 1967
Buku Teks
Kokoska, Stephen
Springer-Verlag, 1989
Buku Teks
edited by George H. Weiss
Society for Industrial and Applied Mathematics, 1994
eBooks
Smith, Norman O., author
Plenum Press, 1982
Buku Teks