RUBILAR, F.; SCHULTZ, L. Adjoint orbits of sl(2, R) and their geometry. Pro Mathematica, [S. l.], v. 31, n. 61, p. 73–107, 2020. Disponível em: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/23270. Acesso em: 28 dic. 2025.