%0 Journal Article %A Mikio Furuta %T Homology cobordism group of homology 3-spheres. %J Inventiones mathematicae %D 1990 %P 339-356 %V 100 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1990__100_2_143788/ %F IM_1990__100_2_143788