@article{MAN_1955__130_160451,
     author = {G. N\"obeling and H. Bauer},
     title = {\"Uber die {Erweiterungen} topologischer {R\"aume.}},
     journal = {Mathematische Annalen},
     pages = {20--45},
     publisher = {mathdoc},
     volume = {130},
     year = {1955},
     zbl = {0065.34602},
     url = {http://geodesic.mathdoc.fr/item/MAN_1955__130_160451/}
}