KHADER, M. M.; HENDY, A. S. A Legendre Computational Matrix Method for Solving High-Order Fractional Differential Equations. Walailak Journal of Science and Technology (WJST), [S. l.], v. 11, n. 4, p. 289–305, 2013. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/389. Acesso em: 29 apr. 2024.