On Additive Preservers of Certain Classes of Algebraic Operators. Extracta Mathematicae, [S. l.], v. 30, n. 2, p. 207–220, 2015. DOI: 10.17398/. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2278.. Acesso em: 23 nov. 2024.