@article{IM_1984__77_143139,
     author = {Wolfgang Ebeling},
     title = {An arithmetic characterisation of the symmetric monodromy groups of singularities.},
     journal = {Inventiones mathematicae},
     pages = {85--100},
     publisher = {mathdoc},
     volume = {77},
     year = {1984},
     zbl = {0527.14031},
     url = {http://geodesic.mathdoc.fr/item/IM_1984__77_143139/}
}