ZIELIŃSKI, M. On non-equivalent metrics on a uncountable set. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 9, n. 1, p. 139–152, 2018. Disponível em: https://didacticammath.uken.krakow.pl/article/view/4319. Acesso em: 21 nov. 2024.