ODIBAT, Z.; MOMANI, S. Applications of variational iteration and homotopy perturbation methods to fractional evolution equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 31, n. 2, p. 227–234, 2008. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2008.013. Acesso em: 22 jul. 2024.