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@article{AMLG_1977__18_137934, author = {J.A. Makowsky and S. Tulipani}, title = {Some model theory for monotone quantifiers.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {115--134}, publisher = {mathdoc}, volume = {18}, year = {1977}, zbl = {0365.02042}, url = {http://geodesic.mathdoc.fr/item/AMLG_1977__18_137934/} }
J.A. Makowsky; S. Tulipani. Some model theory for monotone quantifiers.. Archiv für mathematische Logik und Grundlagenforschung, Tome 18 (1977), pp. 115-134. http://geodesic.mathdoc.fr/item/AMLG_1977__18_137934/