%0 Journal Article %A John Franks %A Paul Blanchard %T The Dynamical Complexity of Orientation Reversing Homeomorphisms of Surfaces. %J Inventiones mathematicae %D 1980 %P 333-340 %V 62 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1980__62_142776/ %F IM_1980__62_142776