@article{MAN_1972__199_162333,
     author = {Hans Kerner},
     title = {Deformierbare {Singularit\"aten.}},
     journal = {Mathematische Annalen},
     pages = {337--344},
     year = {1972},
     volume = {199},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1972__199_162333/}
}