UFUK KAYA. Strongly Statistical Convergence. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 2, p. 221–231, 2020. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/499. Acesso em: 14 apr. 2025.