NGUYỄN HOÀI SƠN. A Modification in the Richardson’s Extrapolation in Error Estimate and the Rate of the Convergence with P-Version by Using Finite Element Analysis. Journal of Technical Education Science, [S. l.], v. 1, n. 2, p. 20–24, 2006. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/965. Acesso em: 7 apr. 2026.