REFICE, A.; SOUID, M. S. .; YAKAR, A. Some qualitative properties of nonlinear fractional integro-differential equations of variable order. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), [S. l.], v. 11, n. 3, p. 68–78, 2021. DOI: 10.11121/ijocta.2021.1198. Disponível em: http://ijocta.org/index.php/files/article/view/1198. Acesso em: 22 jan. 2025.