A model for the universal space for proper actions of a hyperbolic group. Meintrup, David, Schick, Thomas (2002) The New York Journal of Mathematics [electronic only]
A note on conjugacy class sizes of finite groups Mariagrazia Bianchi, Anna Gillio, Carlo Casolo (2001) Rendiconti del Seminario Matematico della Università di Padova
A version of Brauer’s theorem for integer central functions Fedor Bogomolov, Jorge Maciel (2009) Open Mathematics In this article we prove an effective version of the classical Brauer’s Theorem for integer class functions on finite groups.
An analog of the Baer-Suzuki theorem for infinite groups. Mamontov, A.S. (2004) Sibirskij Matematicheskij Zhurnal