Johson, Norman W
Cambridge University Press, 2018
Buku Teks
editor, Harry Dym
Basel, 2012
eBooks
Freudenthal, Hans
Academic Press, 1987
Buku Teks
Belinfante, Johan G.F.
Society for Industrial and Applied Mathematics, 1989
eBooks
edited by A.L. Onishchik
Springer-Verlag, 1993
Buku Referensi