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Stability of the critical queueing systems
Nakatsuka, Toshinao, (1982)
Regenerative Cycle Method in M-G-1 with Many Vacation Rules
Nakatsuka, Toshinao, (2003)
Queue Length Distribution in M-G-1, Mx -G-1 and their Variants with Completion Time
Nakatsuka, Toshinao, (2009)