@article{AMLG_1972__15_137868,
     author = {J\"org Flum},
     title = {Bemerkungen \"uber minimale {Modelle.}},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {79--82},
     year = {1972},
     volume = {15},
     zbl = {0246.02034},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1972__15_137868/}
}