CASTELLANOS, Víctor; CASTORENA, Abel; CRUZ, Manuel. A note on the type AK real analytic vector fields. Journal of Basic Sciences, [S. l.], v. 6, n. 1, 2007. DOI: 10.19136/jobs.a6n1.927. Disponível em: https://revistas.ujat.mx/index.php/jobs/article/view/927.. Acesso em: 8 apr. 2025.