%0 Journal Article %A R.J. Stern %A R. Fintushel %T O(2) action on the 5-sphere. %J Inventiones mathematicae %D 1987 %P 457-476 %V 87 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1987__87_143430/ %F IM_1987__87_143430