@article{10_2140_agt_2010_10_925,
     author = {Chiang, River and Karshon, Yael},
     title = {Convexity package for momentum maps on contact manifolds},
     journal = {Algebraic and Geometric Topology},
     pages = {925--977},
     year = {2010},
     volume = {10},
     number = {2},
     doi = {10.2140/agt.2010.10.925},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.925/}
}