CHAKRABORTY, B. On the cardinality of a reduced unique range set. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 11, p. 1553–1563, 2020. DOI: 10.37863/umzh.v72i11.594. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/594. Acesso em: 5 dec. 2025.