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Stationary distribution of a multi-server vacation queue with constant impatient times
Sakuma, Yutaka, (2012)
Asymptotic behavior for MAP/PH/c queue with shortest queue discipline and jockeying
Sakuma, Yutaka, (2010)
A Discrete-Time Load Balancing Problem by Neuro-Dynamic Programming Algorithms
Inoie, Atsushi, (2006)