TY - JOUR AU - Masanori Koitabashi TI - On Exact Actions of Unipotent Groups. JO - Manuscripta mathematica PY - 1995 SP - 153 EP - 158 VL - 87 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156080/ ID - MM2_1995__87_4_156080 ER -