@article{MM2_1971__4_154042,
     author = {Bernd Wegner},
     title = {Decktransformationen transnormaler {Mannigfaltigkeiten.}},
     journal = {Manuscripta mathematica},
     pages = {179--200},
     publisher = {mathdoc},
     volume = {4},
     year = {1971},
     zbl = {0205.51603},
     url = {http://geodesic.mathdoc.fr/item/MM2_1971__4_154042/}
}