@article{MR1295785, title = "Geometric characterization of the sporadic groups {${\rm Fi}\sb {22}$}, {${\rm Fi}\sb {23}$}, and {${\rm Fi}\sb {24}$}", author = "Pasechnik, Dmitrii V.", year = "1994", issn = "0097-3165", journal = "J. Combin. Theory Ser. A", mrnumber = "MR1295785 (95h:20021)", number = "1", pages = "100--114", volume = "68", }