ZHENG LIU. A New Sharp Ostrowski - Gruss Type Inequality. Jordan Journal of Mathematics and Statistics, [S. l.], v. 6, n. 3, p. 211–224, 2025. Disponível em: https://jjms.yu.edu.jo/index.php/jjms/article/view/1109. Acesso em: 19 aug. 2025.