@article{MAN_1980__252_163459,
     author = {K. Wirthm\"uller},
     title = {Singularities {Determined} by {Their} {Discriminant.}},
     journal = {Mathematische Annalen},
     pages = {237--246},
     publisher = {mathdoc},
     volume = {252},
     year = {1980},
     zbl = {0425.32003},
     url = {http://geodesic.mathdoc.fr/item/MAN_1980__252_163459/}
}