@article{10_37236_740,
     author = {Matthias K\"oppe and Sven Verdoolaege},
     title = {Computing parametric rational generating functions with a primal {Barvinok} algorithm},
     journal = {The electronic journal of combinatorics},
     year = {2008},
     volume = {15},
     doi = {10.37236/740},
     zbl = {1180.52014},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/740/}
}