%0 Journal Article %A Jonathan A. Hillman %T The algebraic characterization of the exteriors of certain 2-knots. %J Inventiones mathematicae %D 1989 %P 195-208 %V 97 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1989__97_2_143698/ %F IM_1989__97_2_143698