Left fixed maps and a-derivations of a KU-algebra. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 9, n. 7, p. 2817–2827, 2014. DOI: 10.24297/jam.v9i7.2303. Disponível em: https://rajpub.com/index.php/jam/article/view/2303. Acesso em: 7 apr. 2025.