@article{MAN_1922__87_158964, author = {H. Tietze}, title = {\"Uber ein {Beispiel} von {L.} {Vietoris} zu den {Hausdorffschen} {Umgebungsaxiomen}}, journal = {Mathematische Annalen}, pages = {150--151}, publisher = {mathdoc}, volume = {87}, year = {1922}, zbl = {48.0205.03}, url = {http://geodesic.mathdoc.fr/item/MAN_1922__87_158964/} }