@article{IM_1992__109_2_144018,
     author = {Ignacio Luengo and Xavier G\'omez-Mont},
     title = {Germs of holomorphic vector fields in {C3} without a separatrix.},
     journal = {Inventiones mathematicae},
     pages = {211--220},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1992},
     zbl = {0774.32019},
     url = {http://geodesic.mathdoc.fr/item/IM_1992__109_2_144018/}
}