@article{BAG_1987__25_138376,
     author = {H.-G. Gr\"abe},
     title = {Generalized {Dehn-Sommerville} equations and an upper bound theorem},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {47--60},
     publisher = {mathdoc},
     volume = {25},
     year = {1987},
     zbl = {0623.52004},
     url = {http://geodesic.mathdoc.fr/item/BAG_1987__25_138376/}
}