METAFUNE, G.; SOBAJIMA, M.; SPINA, C. Elliptic and parabolic problems for a class of operators with discontinuous coefficients. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 19, n. 2, p. 601-654, 2019. DOI: 10.2422/2036-2145.201605_002. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/640. Acesso em: 20 feb. 2026.