@article{IM_1994__115_1_144176,
     author = {Yael Karshon},
     title = {Appendix (to {D.} {McDuff} and {L.} {Polterovich)}},
     journal = {Inventiones mathematicae},
     pages = {431--434},
     publisher = {mathdoc},
     volume = {115},
     number = {1},
     year = {1994},
     zbl = {0833.53029},
     url = {http://geodesic.mathdoc.fr/item/IM_1994__115_1_144176/}
}