@article{MAN_1954__128_160416,
     author = {J. Weier},
     title = {\"Uber die wesentlichen {Singularit\"aten} einer {Abbildungsschar.}},
     journal = {Mathematische Annalen},
     pages = {459--470},
     publisher = {mathdoc},
     volume = {128},
     year = {1954},
     zbl = {0064.17602},
     url = {http://geodesic.mathdoc.fr/item/MAN_1954__128_160416/}
}