Durbin, John R., author
John Wiley & Sons, 1982
Buku Teks
Lang, Serge, 1927-2005, author
Springer, 1990
Buku Teks
Rees, Paul K., author
McGraw-Hill, 1981
Buku Teks
Beckenbach, Edwin F., author
Wadsworth, 1968
Buku Teks
Cameron, Edward A., author
Holt, Rinehart and Winston, 1965
Buku Teks