1. Kiefer J. and Wolfowitz J., “On the characteristics of the general queueing process with applications to random walk,” Ann. Math. Statist., 27, 147–161 (1956).
2. Lamperti J., “Criteria for the recurrence or transience of stochastic processes. I,” J. Math. Anal. Appl., 1, No. 3–4, 314–330 (1960).
3. Mein S. and Tweedie R. L., Markov Chains and Stochastic Stability, Springer-Verlag, New York (1993).
4. Menshikov M. V. and Popov S. Yu., “Exact power estimates for countable Markov chains,” Markov Process. Related Fields, 1, No. 1, 57–78 (1995).
5. Korshunov D., “Transition phenomena for real-valued Markov chains,” Siberian Adv. Math., 3, No. 4, 53–100 (1993).