@article{IM_1980__62_142776,
     author = {John Franks and Paul Blanchard},
     title = {The {Dynamical} {Complexity} of {Orientation} {Reversing} {Homeomorphisms} of {Surfaces.}},
     journal = {Inventiones mathematicae},
     pages = {333--340},
     publisher = {mathdoc},
     volume = {62},
     year = {1980},
     zbl = {0481.58020},
     url = {http://geodesic.mathdoc.fr/item/IM_1980__62_142776/}
}