Freudenthal, Hans, author
Academic Press, 1987
Buku Teks
edited by A.L. Onishchik
Springer-Verlag, 1993
Buku Referensi
Belinfante, Johan G.F., author
Society for Industrial and Applied Mathematics, 1989
eBooks
Hilgert, Joachim, author
Springer, 2012
eBooks
Wed Giyarti, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2014
UI - Tesis (Membership)