LEELAVATHI, R.; KUMAR, G. Suresh; MURTY, M.S.N. Second type nabla Hukuhara differentiability for fuzzy functions on time scales. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 43, p. 779–801, 2020. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7291. Acesso em: 6 nov. 2026.