SHADAB, M. $\ell^{1}$-Munn ideal amenability of certain semigroup algebras. Methods of Functional Analysis and Topology, [S. l.], v. 19, n. 2, p. 187–190, 2013. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/545. Acesso em: 16 dec. 2025.