One-Dimensional Hurwitz Spaces, Modular Curves, and Real Forms of Belyi Meromorphic Functions. - Antonio F. Costa; Milagros Izquierdo; Gonzalo Riera (Int. J. Math. Math. Sci., 2008)

The Schwarz-Christoffel Conformal Mapping for "Polygons" with Infinitely Many Sides. - Gonzalo Riera; Hernán Carrasco; Rubén Preiss (Int. J. Math. Math. Sci., 2008)