@article{GDZPPN002309823, title = {Symmetries of Riemann Surfaces with Large Automorphism Group.}, journal = {Mathematische Annalen}, volume = {212}, year = {1974}, pages = {17-32}, zbl = {0272.30022}, url = {http://dml.mathdoc.fr/item/GDZPPN002309823} }
Singerman, David. Symmetries of Riemann Surfaces with Large Automorphism Group.. Mathematische Annalen, Tome 212 (1974) pp. 17-32. http://gdmltest.u-ga.fr/item/GDZPPN002309823/