@article{JRAM_1932__168_149830,
     author = {Otto Haupt},
     title = {\"Uber die {Erweiterung} stetiger {Abbildungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {129--130},
     publisher = {mathdoc},
     volume = {168},
     year = {1932},
     zbl = {0005.22001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1932__168_149830/}
}