HUSSEIN, B. New Conditions of The Existence of Fixed Point in Δ- Ordered Δ Banach Algebra. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 18, p. 60–71, 2020. DOI: 10.24297/jam.v18i.8370. Disponível em: https://rajpub.com/index.php/jam/article/view/8370. Acesso em: 28 mar. 2024.