ZAKY, Mahmoud A.; DOHA, Eid H.; TAHA, Taha M.; BALEANU, Dumitru. New recursive approximations for variable-order fractional operators with applications. Mathematical Modelling and Analysis, [S. l.], v. 23, n. 2, p. 227–239, 2018. DOI: 10.3846/mma.2018.015. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/1413. Acesso em: 22 may. 2025.