Isakova, T. I., and Yu. P. Filonov. “Integral Conditions for the Invertibility of Markov Chains on a Half-Line With General Measure of Irreducibility”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 5 (May 25, 2004): 705-712. Accessed June 14, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3791.