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The BMAP/PH/N retrial queue with Markovian flow of breakdowns
Kim, Chesoong, (2008)
A BMAP/PH/N SYSTEM WITH IMPATIENT REPEATED CALLS
KLIMENOK, VALENTINA I., (2007)
MMAP/M/N queueing system with impatient heterogeneous customers as a model of a contact center
Dudin, Sergey, (2013)