@article{MAN_1954__127_160374,
     author = {H. Karzel},
     title = {Erzeugbare {Ordnungsfunktionen.}},
     journal = {Mathematische Annalen},
     pages = {228--242},
     publisher = {mathdoc},
     volume = {127},
     year = {1954},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1954__127_160374/}
}