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@article{CMUC_1982__23_3_a5, author = {Meyer zu H\"orste, Ulrich}, title = {Topological proper separation theorems}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {475--487}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1982}, mrnumber = {677856}, zbl = {0524.46001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1982__23_3_a5/} }
Meyer zu Hörste, Ulrich. Topological proper separation theorems. Commentationes Mathematicae Universitatis Carolinae, Tome 23 (1982) no. 3, pp. 475-487. http://geodesic.mathdoc.fr/item/CMUC_1982__23_3_a5/