@article{AMLG_1977__18_137931,
     author = {Wilfried Buchholz},
     title = {\"Uber {Teilsysteme} von ...({g}).},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {85--98},
     publisher = {mathdoc},
     volume = {18},
     year = {1977},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1977__18_137931/}
}