JUN, Y. B.; SONG, S.-Z. Inf-Hesitant Fuzzy Ideals in BCK/BCI-Algebras. Bulletin of the Section of Logic, [S. l.], v. 49, n. 1, p. 53–78, 2020. DOI: 10.18778/0138-0680.2020.03. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/7905. Acesso em: 28 apr. 2024.