Weil, Andre
Springer-Verlag , 1973
Buku Teks
Kinsolving, May Risch
International Textbook Co., 1967
Buku Teks
Flath, Daniel E.
John Wiley and Sons, 1989
Buku Teks
Borevich, Z.I.
Academic Press , 1966
Buku Teks
Adams, William W.
Prentice-Hall, 1976
Buku Teks