Geometry of Sporadic Groups II: Representations and Amalgams (Encyclopedia of Mathematics and its Applications 91) 2002 · ENGLISH · PDF View details →
Geometry of Sporadic Groups: Volume 1, Petersen and Tilde Geometries (Encyclopedia of Mathematics and its Applications) (v. 1) 2008 · ENGLISH · PDF View details →
Geometry of Sporadic Groups II: Representations and Amalgams (Encyclopedia of Mathematics and its Applications 91) 2002 · ENGLISH · PDF View details →