%0 Journal Article %A Pedro L.Q. Pergher %T Involutions Fixing and arbitraty product of spheres and a point. %J Manuscripta mathematica %D 1996 %P 471-474 %V 89 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1996__89_3_156175/ %F MM2_1996__89_3_156175