KAUP, W. On the CR-structure of certain linear group orbits in infinite dimensions. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 3, n. 3, p. 535-554, 2009. DOI: 10.2422/2036-2145.2004.3.03. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/47. Acesso em: 28 may. 2025.