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The time-dependent problem for a queue preemtive priorities
Heathcote, C. R., (1959)
The response times of priority classes under preemptive resume in M/M/m queues
Buzen, J. P., (1983)
Networks of queues in discrete time
Daduna, H., (1983)
Machine interference problem with a random environment
Sztrik, J., (1993)
On the finite-source queue
Sztrik, J., (1985)