ALBERTI, G.; BIANCHINI, S.; CRIPPA, G. Structure of level sets and Sard-type properties of Lipschitz maps. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 12, n. 4, p. 863-902, 2013. DOI: 10.2422/2036-2145.201107_006. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/311. Acesso em: 27 may. 2025.