@article{IM_1980__56_142696,
     author = {Augustin Banyaga},
     title = {On {Fixed} {Points} of {Symplectic} {Maps.}},
     journal = {Inventiones mathematicae},
     pages = {215--230},
     publisher = {mathdoc},
     volume = {56},
     year = {1980},
     zbl = {0446.58008},
     url = {http://geodesic.mathdoc.fr/item/IM_1980__56_142696/}
}