@article{IM_1984__77_143158,
     author = {N. Smythe},
     title = {Growth functions and {Euler} series.},
     journal = {Inventiones mathematicae},
     pages = {517--532},
     year = {1984},
     volume = {77},
     zbl = {0577.20020},
     url = {http://geodesic.mathdoc.fr/item/IM_1984__77_143158/}
}