Some Asymptotic Results for the M/M/infinity Queue with Ranked Servers.

Charles Knessl Some Asymptotic Results for the M/M/infinity Queue with Ranked Servers. 201-250 2004 47 Queueing Syst. 3 http://dx.doi.org/10.1023/B:QUES.0000035314.35882.5b db/journals/questa/questa47.html#Knessl04