YOUSSIF, B.; HASSAN, S. F. Real Characterization on Order Banach Algebra. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 12, n. 9, p. 6564–6571, 2016. DOI: 10.24297/jam.v12i9.126. Disponível em: https://rajpub.com/index.php/jam/article/view/126. Acesso em: 19 may. 2024.