DA PRATO, G. Elliptic operators with infinitely many variables. CUBO, A Mathematical Journal, [S. l.], v. 6, n. 2, p. 79–104, 2004. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1641. Acesso em: 20 may. 2024.