1.
Etayo JJ, Martínez E. Fuchsian groups generated by half-turns and geometrical characterization of hyperelliptic and symmetric Riemann surfaces. Math. Scand. [Internet]. 2004 Dec. 1 [cited 2026 Aug. 14];95(2):226-44. Available from: https://tidsskrift.dk/math/article/view/14457