Capul´ın, F, F R Ruiz del Portal, and M Sánchez-Garrido. “The Cantor Set As an Inverse Limit of Upper Semicontinuous Functions That Are the Union of Mappings”. Topology Proceedings 60 (November 11, 2021): 71–80. Accessed June 30, 2026. https://www.topologyproceedings.org/index.php/tp/article/view/62.