@article{JIS_2015__18_6_a6,
     author = {Hibi, Takayuki and Li, Nan and Ohsugi, Hidefumi},
     title = {The face vector of a half-open hypersimplex},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {18},
     number = {6},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2015__18_6_a6/}
}