@article{MZ_1980__173_172987,
     author = {J\"urgen Bingener},
     title = {Offenheit der {Versalit\"at} in der analytischen {Geoemtrie.}},
     journal = {Mathematische Zeitschrift},
     pages = {241--282},
     publisher = {mathdoc},
     volume = {173},
     year = {1980},
     zbl = {0493.32020},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__173_172987/}
}