ARENDT, W.; SCHÄTZLE, R. Semigroups generated by elliptic operators in non-divergence form on unbounded domains. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], p. 26, 2026. DOI: 10.2422/2036-2145.202503_022. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/7363. Acesso em: 29 aug. 2026.