@article{IM_1991__106_1_143943,
     author = {J. Denef and F. Loeser},
     title = {Weights of exponential sums, intersection cohomology, and {Newton} polyhedra.},
     journal = {Inventiones mathematicae},
     pages = {275--294},
     publisher = {mathdoc},
     volume = {106},
     number = {1},
     year = {1991},
     zbl = {0763.14025},
     url = {http://geodesic.mathdoc.fr/item/IM_1991__106_1_143943/}
}