@article{MZ_1953__59_169403,
     author = {Walter Neumer},
     title = {Zur {Konstruktion} von {Ordnungszahlen.} {II.}},
     journal = {Mathematische Zeitschrift},
     pages = {434--454},
     year = {1953},
     volume = {59},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1953__59_169403/}
}