@article{10_1090_S0894_0347_97_00229_4,
     author = {Brion, Michel and Vergne, Mich\~A{\textasciidieresis}le},
     title = {Lattice points in simple polytopes},
     journal = {Journal of the American Mathematical Society},
     pages = {371--392},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1997},
     doi = {10.1090/S0894-0347-97-00229-4},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-97-00229-4/}
}