NWAMBA, J. I. . Multi-Order Fractional Mathieu Equation with External Multi-Periodic Excitation. International Journal of Mathematical Research, [S. l.], v. 5, n. 2, p. 166–178, 2016. DOI: 10.18488/journal.24/2016.5.2/24.2.166.178. Disponível em: https://archive.conscientiabeam.com/index.php/24/article/view/2194. Acesso em: 4 dec. 2024.