AL-AYDARUS, HUSAYN ABD AL-QADIR MUHAMMA. On composite n dividing φ(n)‎ T(n)‎+2. مجلة الأندلس للعلوم التطبيقية, [S. l.], v. 7, n. 12, p. 15, 2023. Disponível em: http://andalusuniv.net/journ/index.php/AJAS/article/view/742. Acesso em: 23 2024.