TY - JOUR AU - Kenzi Satô TI - A free group acting without fixed points on the rational unit sphere JO - Fundamenta Mathematicae PY - 1995 SP - 63 EP - 69 VL - 148 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-148-1-63-69/ DO - 10.4064/fm-148-1-63-69 LA - en ID - 10_4064_fm_148_1_63_69 ER -