Zhao, W., Zhang, Z. and Ye, Z. (2015) “COMPOSITE TRAPEZOID RULE FOR THE RIEMANN-STIELTJES INTEGRAL AND ITS RICHARDSON EXTRAPOLATION FORMULA”, Italian Journal of Pure and Applied Mathematics, 35, pp. 311–318. Available at: https://journals.uniurb.it/index.php/ijpam/article/view/6430 (Accessed: 16 August 2026).