WALENTYŃSKI, Ryszard. Refined least squares approach to the initial-value problems unstable in the Lyapunov sense1. Computer Assisted Methods in Engineering and Science, [S. l.], v. 12, n. 1, p. 65–81, 2022. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1007. Acesso em: 12 jan. 2025.