KOIKE, N. Examples of a complex hyperpolar action without singular orbit. CUBO, A Mathematical Journal, [S. l.], v. 12, n. 2, p. 127–143, 2010. DOI: 10.4067/S0719-06462010000200009. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1411. Acesso em: 3 may. 2024.