@article{MS2_1985__56_166929,
     author = {Ralf Fr\"oberg},
     title = {An inequality for {Hilbert} series of graded algebras.},
     journal = {Mathematica Scandinavica},
     pages = {117--144},
     publisher = {mathdoc},
     volume = {56},
     year = {1985},
     zbl = {0582.13007},
     url = {http://geodesic.mathdoc.fr/item/MS2_1985__56_166929/}
}