%0 Journal Article %A James P. Lin %T A Cohomological Proof of the Torus Theorem. %J Mathematische Zeitschrift %D 1985 %P 469-476 %V 190 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1985__190_173641/ %F MZ_1985__190_173641