@article{MOMA_1977__83_177810,
     author = {Dieter Wolke},
     title = {Eine {Bemerkung} \"uber die {Werte} der {Funktion} ...(n).},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {163--166},
     publisher = {mathdoc},
     volume = {83},
     year = {1977},
     zbl = {0353.10004},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1977__83_177810/}
}