@article{urn:eudml:doc:38871, title = {Discrete subsets in Hausdorff topoligies.}, journal = {Collectanea Mathematica}, volume = {38}, year = {1987}, pages = {91-95}, zbl = {0678.54013}, mrnumber = {MR0970637}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38871} }
Porta, Horacio; Recht, Lázaro. Discrete subsets in Hausdorff topoligies.. Collectanea Mathematica, Tome 38 (1987) pp. 91-95. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38871/