Hybrid block formulae whose eigenvalues of Jacobian matrices are close to the imaginary axis of the complex plane. Recent Advances in Natural Sciences, [S. l.], v. 2, n. 2, p. 74, 2024. DOI: 10.61298/rans.2024.2.2.74. Disponível em: https://flayoophl.com/journals/index.php/rans/article/view/74. Acesso em: 5 apr. 2025.