@article{AMLG_1985__25_138044,
     author = {J\"org Flum},
     title = {Maximale monadische {Logiken.}},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {25},
     year = {1985},
     zbl = {0601.03014},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1985__25_138044/}
}