@article{AMLG_1983__23_138004,
     author = {Daniele Mundici},
     title = {A lower bound for the complexity of {Craig's} interpolants in sentinential logic.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {27--36},
     publisher = {mathdoc},
     volume = {23},
     year = {1983},
     zbl = {0511.03004},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1983__23_138004/}
}