@article{IM_1986__84_143343,
     author = {V. Ginsburg},
     title = {Characteristic varieties and vanishing cycles.},
     journal = {Inventiones mathematicae},
     pages = {327--402},
     publisher = {mathdoc},
     volume = {84},
     year = {1986},
     zbl = {0598.32013},
     url = {http://geodesic.mathdoc.fr/item/IM_1986__84_143343/}
}