Left and Right Regular Elements of Some Subsemigroups of the Linear Transformations Semigroups with Invariant Subspace. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 1, p. 5623, 2025. DOI: 10.29020/nybg.ejpam.v18i1.5623. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/5623. Acesso em: 6 feb. 2025.