LIU, Fon-Che; TAI, Wei-Shyan. Approximate Tyalor polynomials and differentiation of functions. Topological Methods in Nonlinear Analysis, [S. l.], v. 3, n. 1, p. 189–196, 1994. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1994.009. Acesso em: 8 jul. 2025.