Barnes, D.W. (Donald W.)
American Mathematical Society, 1985
Buku Teks
Univ. of Minnesota Press, 1949
Buku Teks
compiled by Zeinoul Abedien Cajee
A.S. Nordieen, 2013
Buku Teks
edited by Robert K. Merton
Free Press, 1979
Buku Teks
Choquet, Gustave
Academic Press, 1966
Buku Teks SO