%0 Journal Article %A Makoto Hayashi %T A Characteristic 2-Subgroups of a Finite Special Group. %J Mathematische Zeitschrift %D 1982 %P 215-228 %V 181 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1982__181_173229/ %F MZ_1982__181_173229