@article{RCM_2007_41_1_a4,
     author = {Edgar J. Andrade Universidad del Rosario and Bogot\'a edgar.andrade00@urosario.edu.co Edward Bece},
     title = {Corcoran's {Aristotelian} syllogistic as a subsystem of first-order logic},
     journal = {Revista colombiana de matematicas},
     pages = {67--80},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/RCM_2007_41_1_a4/}
}