Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1970__29_1_115102, author = {Sabella, Ralph}, title = {Metrizability of spaces with countably based closed sets}, journal = {Portugaliae mathematica}, pages = {1--3}, publisher = {mathdoc}, volume = {29}, number = {1}, year = {1970}, mrnumber = {0284976}, zbl = {0224.54041}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115102/} }
Sabella, Ralph. Metrizability of spaces with countably based closed sets. Portugaliae mathematica, Tome 29 (1970) no. 1, pp. 1-3. http://geodesic.mathdoc.fr/item/PORMA_1970__29_1_115102/