METAFUNE, G.; SPINA, C. Elliptic operators with unbounded diffusion coefficients in $L^p$ spaces. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 11, n. 2, p. 303-340, 2012. DOI: 10.2422/2036-2145.201010_012. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/265. Acesso em: 27 may. 2025.