VITTONE, D. Lipschitz surfaces, perimeter and trace theorems for BV functions in Carnot-Carathéodory spaces. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 11, n. 4, p. 939-998, 2012. DOI: 10.2422/2036-2145.201010_007. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/288. Acesso em: 20 feb. 2026.