1. G. H. Golub and C. F. Van Loan, Matrix Computations, 2 nd Edition, Johns Hopkins University Press, Baltimore, 1989.
2. J. Keilson, “Sojourn Times, Exit Times and Jitter in Multivariable Markov Processes,” Adv. Appl. Prob.
6 (1974) 747–756.
3. H. Kobayashi and Q. Ren, “Non-Stationary Behavior of Statistical Multiplexing for Multiple Types of Traffic,” Proc. of 26th Annual Conference on Information Sciences and Systems, Princeton University, March 1992, Princeton, N.J.
4. S. Q. Li and C. L. Hwang, “Queue Response to Input Correlation Functions: Continuous Spectral Analysis,” IEEE/ACM Trans. on Networking, 1:6 (1993) 678–692.
5. J. Ye and S. Q. Li, “Folding Algorithm: A Computational Method for Finite QBD Processes with Level-Dependent Transitions” IEEE Trans.
Communications, 4:2/3/4 (1994) pp. 625–639.