@article{1183421207,
author = {Young, J. W.},
title = {Fundamental regions for cyclical groups of linear fractional transformations on two complex variables},
journal = {Bull. Amer. Math. Soc.},
volume = {18},
number = {3},
year = {1911},
pages = { 340-344},
language = {en},
url = {http://dml.mathdoc.fr/item/1183421207}
}
Young, J. W. Fundamental regions for cyclical groups of linear fractional transformations on two complex variables. Bull. Amer. Math. Soc., Tome 18 (1911) no. 3, pp. 340-344. http://gdmltest.u-ga.fr/item/1183421207/