MARKIN, M. V. On the generation of Beurling type Carleman ultradifferentiable $C_0$-semigroups by scalar type spectral operators. Methods of Functional Analysis and Topology, [S. l.], v. 22, n. 2, p. 169–183, 2016. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/634. Acesso em: 17 dec. 2025.