Arithmetic Fuchsian groups of signature \( (0; m_1, m_2, m_3, m_4) \). Scientia Series A: Mathematical Sciences, [S. l.], v. 24, p. 1–24, 2013. Disponível em: https://revistas.usm.cl/scientia/article/view/208.. Acesso em: 10 may. 2025.