%0 Journal Article %A W. de Melo %T Structural Stability of Diffeomorphisms on Two-Manifolds. %J Inventiones mathematicae %D 1973 %P 233-246 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1973__21_142230/ %F IM_1973__21_142230