Symplectic Difference Schemes for Hamiltonian Systems in General Symplectic Structure. Journal of Computational Mathematics, [S. l.], v. 9, n. 1, p. 86–96, 1991. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11016. Acesso em: 5 dec. 2025.