@article{1077380116, author = {Larmore, Lawrence L.}, title = {A universal countable first-countable Hausdorff space}, journal = {Duke Math. J.}, volume = {39}, number = {1}, year = {1972}, pages = { 179-181}, language = {en}, url = {http://dml.mathdoc.fr/item/1077380116} }
Larmore, Lawrence L. A universal countable first-countable Hausdorff space. Duke Math. J., Tome 39 (1972) no. 1, pp. 179-181. http://gdmltest.u-ga.fr/item/1077380116/