[1]
C. Cadavid and J. D. Vélez-C., “The π-geography problem and the Hurwitz problem”, ing.cienc., vol. 5, no. 9, pp. 91–122, June 2009, Accessed: Nov. 11, 2026. Available: https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/469