Pashchuk, I. O., and H. V. Livinska. “Modeling of Health and Mortality Functions Based on Data for the Population of Ukraine”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 2 (October 12, 2022): 78–83. Accessed October 15, 2026. https://bphm.knu.ua/bphm/article/view/341.