ACU, Ana Maria; GONSKA, Heiner. Weighted Ostrowski-Grüss type inequalities. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 60, n. 2, p. 183–192, 2015. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5716. Acesso em: 19 apr. 2025.