%0 Journal Article %A Shigenori Matsumoto %T There are Two Isotopic Morse-Smale Diffeomorphisms Which Cannot be Joined by Simple Arcs. %J Inventiones mathematicae %D 1979 %P 1-8 %V 51 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1979__51_142618/ %F IM_1979__51_142618