George A. Anastassiou. Generalized Ostrowski, Opial and Hilbert-Pachpatte type inequalities for Banach algebra valued functions involving integer vectorial derivatives. Journal of Computational Analysis and Applications (JoCAAA) [Internet]. 2022 Jan. 11 [cited 2024 Sep. 1];30(1):78-94. Available from: http://eudoxuspress.com/index.php/pub/article/view/105