Alfred Karl Louis
Eli Gershon
Claus Janew
Vlad Ionescu
Unknown Author
W. C. A. Maas
A. A. Stoorvogel
V. S. Vladimirov
Symposium of Tunisian Mathematical Society (12th 2004 Mahdia, Tunisia)
D. Mustafa
Sinnige, Th. G.
Mahātria Rā
Glenn Vinnicombe
Howard Grossman
Bernard Bolzano
Richard W. Kaye
He-Sheng Wang
Moore, A. W.
J. William Helton