BARRIOS BARRERA, B.; FIGALLI, A.; VALDINOCI, E. Bootstrap regularity for integro-differential operators and its application to nonlocal minimal surfaces. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 13, n. 3, p. 609-639, 2014. DOI: 10.2422/2036-2145.201202_007. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/349. Acesso em: 10 feb. 2025.