DONCHEV, T.; NOSHEEN, A. Fuzzy Functional Differential Equations under Dissipative-Type Conditions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 6, p. 787–795, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2463. Acesso em: 6 dec. 2025.