@article{AMLG_1969__12_137814,
     author = {Horst Luckhardt},
     title = {Kodifikation und {Aussagenlogik.}},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {18--38},
     publisher = {mathdoc},
     volume = {12},
     year = {1969},
     zbl = {0182.00602},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1969__12_137814/}
}