@article{PORMA_1981__40_2_115443,
     author = {Figallo, Aldo and Monteiro, Luiz},
     title = {Syst\`eme d\'eterminant de l'alg\`ebre de {Morgan} libre sur un ensemble ordonn\'e fini},
     journal = {Portugaliae mathematica},
     pages = {129--135},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1981},
     mrnumber = {0819884},
     zbl = {0561.06008},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1981__40_2_115443/}
}