@article{MZ_1957__68_169711,
     author = {Johannes Nitsche},
     title = {\"Uber die isolierten {Singularit\"aten} der {L\"osungen} von ...u = eu.},
     journal = {Mathematische Zeitschrift},
     pages = {316--324},
     publisher = {mathdoc},
     volume = {68},
     year = {1957},
     zbl = {0078.09201},
     url = {http://geodesic.mathdoc.fr/item/MZ_1957__68_169711/}
}