@article{AMLG_1972__15_137877,
     author = {Arthur M. Bullock and Hubert H. Schneider},
     title = {A calculus for finitely satisfiable formulas with identity.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {158--163},
     publisher = {mathdoc},
     volume = {15},
     year = {1972},
     zbl = {0262.02013},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1972__15_137877/}
}