Yang, Z., Li, Y. and Du, T. (2015) “A GENERALIZATION OF SIMPSON TYPE INEQUALITY VIA DIFFERENTIABLE FUNCTIONS USING (s,m)-CONVEX FUNCTIONS”, Italian Journal of Pure and Applied Mathematics, 35, pp. 327–338. Available at: https://journals.uniurb.it/index.php/ijpam/article/view/6428 (Accessed: 16 August 2026).