@article{AMLG_1967__11_137811,
     author = {Kurt Sch\"utte},
     title = {Ein konstruktives {System} von {Ordinalzahlen.}},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {126--137},
     publisher = {mathdoc},
     volume = {11},
     year = {1967},
     zbl = {0193.31102},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1967__11_137811/}
}