SWEILAM, N. H.; KHADER, M. M.; AL-BAR, R. F. Homotopy perturbation method for multi-dimensional nonlinear coupled system of parabolic and hyperbolic equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 31, n. 2, p. 295–304, 2008. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2008.021. Acesso em: 23 apr. 2024.