FENG, Yuming. p-FUZZY HYPERGROUPS AND p-FUZZY JOIN SPACES OBTAINED FROM p-FUZZY HYPERGRAPHS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 27, p. 273–280, 2010. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5803. Acesso em: 13 jun. 2026.