Seunghwan Yoon, Mark E. Lewis Optimal Pricing and Admission Control in a Queueing System with Periodically Varying Parameters. [Citation Graph (0, 0)][DBLP] Queueing Syst., 2004, v:47, n:3, pp:177-199 [Journal]
Charles Knessl Some Asymptotic Results for the M/M/infinity Queue with Ranked Servers. [Citation Graph (0, 0)][DBLP] Queueing Syst., 2004, v:47, n:3, pp:201-250 [Journal]