@article{PORMA_1957__16_4_114792,
     author = {Wright, F.B.},
     title = {Some remarks on {Boolean} duality},
     journal = {Portugaliae mathematica},
     pages = {109--117},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {1957},
     mrnumber = {0097334},
     zbl = {0105.00801},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1957__16_4_114792/}
}