“On One of the Approaches to Approximate Calculation of Lebesgue–Stieltjes Integrals in Python in System Analysis Problems With Discrete Models”. Visnyk of Vinnytsia Politechnical Institute, no. 3 (June 29, 2021): 61–68. Accessed November 15, 2026. https://vpi.sprava.net/index.php/visnyk/article/view/2629.