ZHANG, X.; LIU, J. An Analytic Study on Time-Fractional Fisher Equation using Homotopy Perturbation Method. Walailak Journal of Science and Technology (WJST), [S. l.], v. 11, n. 11, p. 975–985, 2014. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/844. Acesso em: 29 apr. 2024.