HALDER, S.; MUKHERJEE, A. On fuzzy semi δ - V continuity in fuzzy δ - V topological space. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 5, p. 709–711, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3190. Acesso em: 6 dec. 2025.