@article{MZ_1961__77_170001,
     author = {Klaus Habetha},
     title = {\"Uber die {Werteverteilung} in {Winkelr\"aumen.}},
     journal = {Mathematische Zeitschrift},
     pages = {453--468},
     publisher = {mathdoc},
     volume = {77},
     year = {1961},
     zbl = {0100.28705},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__77_170001/}
}