@article{PORMA_1952__11_1_114694,
     author = {Ribeiro de Albuquerque, J.},
     title = {Th\'eorie des ensembles projectifs},
     journal = {Portugaliae mathematica},
     pages = {11--33},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1952},
     mrnumber = {0049269},
     zbl = {0046.28005},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1952__11_1_114694/}
}