IlienkoM., and PolishchukA. “Convergence of Baum–Katz Series for Sums Whose Terms Are Elements of Linear $m$ Th Order Autoregressive Sequence”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 9 (September 26, 2023): 1237 - 1247. Accessed November 21, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7340.