@article{JLT_2017_27_2_JLT_2017_27_2_a0,
     author = {W. A. Johnson},
     title = {Multivariate {Hilbert} {Series} of {Lattice} {Cones}},
     journal = {Journal of Lie theory},
     pages = {297--314},
     year = {2017},
     volume = {27},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JLT_2017_27_2_JLT_2017_27_2_a0/}
}