%0 Journal Article %A Hoffman, Michael %T Free Actions of Abelian Groups on a Cartesian Power of an Even Sphere %J Canadian mathematical bulletin %D 1987 %P 358-362 %V 30 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-051-3/ %R 10.4153/CMB-1987-051-3 %F 10_4153_CMB_1987_051_3