Geometry of orbits of Hamiltonian vector fields. Uzbek Mathematical Journal, [S. l.], v. 70, n. 2, p. 167–173, 2026. DOI: 10.29229/uzmj.2026-2-20. Disponível em: https://uzmj.mathinst.uz/index.php/uzmj/article/view/73.. Acesso em: 13 jun. 2026.