@article{IM_1991__103_1_143873,
     author = {Dusa McDuff},
     title = {Symplectic manifolds with contact type boundaries.},
     journal = {Inventiones mathematicae},
     pages = {651--671},
     publisher = {mathdoc},
     volume = {103},
     number = {1},
     year = {1991},
     zbl = {0719.53015},
     url = {http://geodesic.mathdoc.fr/item/IM_1991__103_1_143873/}
}