@article{IM_1976__32_251522,
     author = {Carl P. Simon},
     title = {Addendum to: {A} {Bound} for the {Fixed-Point} {Index} of an {Area-Preserving} {Map} with {Applications} to {Mechanics.}},
     journal = {Inventiones mathematicae},
     pages = {101--102},
     publisher = {mathdoc},
     volume = {32},
     year = {1976},
     zbl = {0336.55008},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__32_251522/}
}