@article{PORMA_1942__3_2-3_114596,
     author = {Albuquerque, J.},
     title = {Sur les ensembles clairsem\'es},
     journal = {Portugaliae mathematica},
     pages = {132--156},
     publisher = {mathdoc},
     volume = {3},
     number = {2-3},
     year = {1942},
     mrnumber = {0007034},
     zbl = {0027.09703},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1942__3_2-3_114596/}
}