@article{1256060997,
author = {Chan, Shih-Ping and Lang, Mong-Lung and Lim, Chong-Hai and Tan, Ser-Peow},
title = {The invariants of the congruence subgroups $G\_{0}(\mathcal{B})$ of the Hecke group $G\_{5}$},
journal = {Illinois J. Math.},
volume = {38},
number = {3},
year = {1994},
pages = { 636-652},
language = {en},
url = {http://dml.mathdoc.fr/item/1256060997}
}
Chan, Shih-Ping; Lang, Mong-Lung; Lim, Chong-Hai; Tan, Ser-Peow. The invariants of the congruence subgroups $G_{0}(\mathcal{B})$ of the Hecke group $G_{5}$. Illinois J. Math., Tome 38 (1994) no. 3, pp. 636-652. http://gdmltest.u-ga.fr/item/1256060997/