@article{MAN_1974__210_162606,
     author = {David Singerman},
     title = {Symmetries of {Riemann} {Surfaces} with {Large} {Automorphism} {Group.}},
     journal = {Mathematische Annalen},
     pages = {17--32},
     publisher = {mathdoc},
     volume = {210},
     year = {1974},
     zbl = {0272.30022},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__210_162606/}
}