A Two-Stage Tandem Queue Attended by a Moving Server with Holding and Switching Costs.

Seyed M. R. Iravani Morton J. M. Posner John A. Buzacott A Two-Stage Tandem Queue Attended by a Moving Server with Holding and Switching Costs. 203-228 1997 26 Queueing Syst. 3-4 db/journals/questa/questa26.html#IravaniPB97