ARENDT, W.; SCHÄTZLE, R. Semigroups generated by elliptic operators in non-divergence form on C-o(Ω). ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 13, n. 2, p. 417-434, 2014. DOI: 10.2422/2036-2145.201111_010. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/343. Acesso em: 27 may. 2025.