Voir la notice de l'article provenant de la source European Digital Mathematics Library
@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/} }
Albuquerque, J. Sur les ensembles clairsemés. Portugaliae mathematica, Tome 3 (1942) no. 2-3, pp. 132-156. http://geodesic.mathdoc.fr/item/PORMA_1942__3_2-3_114596/