TEAM, S. On the Ulam Stability of Two Fuzzy Number-valued Functional Equations via the Metric Defined on a Fuzzy Number Space: Jiraporn Kunrattanaworawong, Wutiphol Sintunavarat. Thai Journal of Mathematics, [S. l.], p. 103–112, 2022. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1277. Acesso em: 5 may. 2024.