SHUN, Li Kam; LEUNG, Chan Wai. Meromorphic Solutions of Higher Order System of Algebraic Differential Equations. Mathematica Scandinavica, Berkeley, CA, United States, v. 71, p. 105–121, 1992. DOI: 10.7146/math.scand.a-12414. Disponível em: https://journals.msp.org/mscand/article/view/1236. Acesso em: 24 jul. 2026.