HAYAT, U.; KAMRAN, A.; BIBI, A.; YILDIRIM, A.; MOHYUD-DIN, S. T. On System of Time-Fractional Partial Differential Equations. Walailak Journal of Science and Technology (WJST), [S. l.], v. 10, n. 5, p. 437–448, 2013. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/317. Acesso em: 5 may. 2024.