@article{MAN_1962__145_160912,
     author = {CH. POMMERENKE},
     title = {\"Uber die {Mittelwerte} und {Koeffizienten} multivalenter {Funktionen.}},
     journal = {Mathematische Annalen},
     pages = {285--296},
     publisher = {mathdoc},
     volume = {145},
     year = {1962},
     zbl = {0117.04302},
     url = {http://geodesic.mathdoc.fr/item/MAN_1962__145_160912/}
}