@article{IM_1993__112_3_144112,
     author = {Yves Laurent},
     title = {Vanishing cycles of {D-modules.}},
     journal = {Inventiones mathematicae},
     pages = {491--540},
     year = {1993},
     volume = {112},
     number = {3},
     zbl = {0799.32031},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__112_3_144112/}
}