Erden, Samet, Huseyin Budak, and Mehmet Zeki Sarikaya. “An Ostrowski Type Inequality for Twice Differentiable Mappings and Applications”. Mathematical Modelling and Analysis 21, no. 4 (June 23, 2016): 522-532. Accessed December 2, 2024. https://mma.vgtu.lt/index.php/MMA/article/view/833.