McEvoy, J.P., author
Icon Books UK, 2003
Buku Teks
Sakita, B., author
World Scientific, 1985
Buku Teks
Glimm, James, author
Springer-Verlag, 1981
Buku Teks
Alonso, Marcelo, 1921-, author
Massachusetts Addison-Wesley , 1968
Buku Teks
Todorov, I.T., author
Pergamon Press, 1971
Buku Teks