HOOSHANGIAN, L.; ALLAHVIRANLOO, T. A New Method to Find Fuzzy Nth Order Derivation and Applications to Fuzzy Nth Order Arithmetic Based on Generalized H-Derivation. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), [S. l.], v. 4, n. 2, p. 105–121, 2014. DOI: 10.11121/ijocta.01.2014.00183. Disponível em: http://ijocta.org/index.php/files/article/view/183. Acesso em: 22 jan. 2025.