@article{AMLG_1984__24_138029,
     author = {Ermanno Bencivenga},
     title = {A possibility-free logic of descriptions.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {159--166},
     publisher = {mathdoc},
     volume = {24},
     year = {1984},
     zbl = {0553.03016},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1984__24_138029/}
}