@article{MZ_1953__58_169360,
     author = {Walter Neumer},
     title = {Zur {Konstruktion} von {Ordnungszahlen.} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {391--413},
     publisher = {mathdoc},
     volume = {58},
     year = {1953},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1953__58_169360/}
}