TY - JOUR AU - Makoto Hayashi TI - A Characteristic 2-Subgroups of a Finite Special Group. JO - Mathematische Zeitschrift PY - 1982 SP - 215 EP - 228 VL - 181 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1982__181_173229/ ID - MZ_1982__181_173229 ER -