@article{CMUC_1976__17_4_a17,
     author = {Hahn, Siegfried},
     title = {Ein {Homotopieerweiterungssatz} f\"ur kompakte {Vektorfelder} in topologischen {Vektorr\"aumen} {(Vorl\"aufige} {Mitteilung)}},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {807--811},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1976},
     mrnumber = {0433278},
     zbl = {0342.47037},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976__17_4_a17/}
}