%0 Journal Article %A Tomotada Ohtsuki %T A polynomial invariant of rational homology 3-spheres. %J Inventiones mathematicae %D 1996 %P 241-258 %V 123 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1996__123_3_144344/ %F IM_1996__123_3_144344