%0 Journal Article %A Kenzi Satô %T Free groups acting without fixed points on rational spheres %J Acta Arithmetica %D 1998 %P 135-140 %V 85 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-85-2-135-140/ %R 10.4064/aa-85-2-135-140 %G en %F 10_4064_aa_85_2_135_140