Zakusylo, O. K., and I. K. Matsak. “Limits Theorem of First Passages Times to Regenerative Processes”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics, no. 3 (November 30, 2020): 57–67. Accessed October 15, 2026. https://bphm.knu.ua/bphm/article/view/188.