Merino, Andrés, and Sebastián Heredia Freire. “A Primitive Associated With the Cantor–Bendixson Derivative on Polish Spaces”. CUBO, A Mathematical Journal 28, no. 2 (April 8, 2026): 227–245. Accessed April 14, 2026. https://cubo.ufro.cl/index.php/cubo/article/view/4306.