Waiting-Time Asymptotics for the M/G/2 Queue with Heterogeneous Servers O.J. BoxmaQ. DengA.P. Zwart OriginalPaper Pages: 5 - 31
The Dependence of Optimal Returns from Multi-class Queueing Systems on Their Customer Base M.J. DacreK.D. Glazebrook OriginalPaper Pages: 93 - 115