%0 Journal Article %A Douglas R. Anderson %A I. Hambleton %T Balanced splittings of Semi-free actions of finite groups on homotopy spheres. %J Commentarii mathematici Helvetici %D 1980 %P 130-158 %V 55 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1980__55_139817/ %F CMH_1980__55_139817