Iddo Eliazar Gated Polling Systems with Lévy Inflow and Inter-Dependent Switchover Times: A Dynamical-Systems Approach. 49-72 2005 49 Queueing Syst. 1 http://springerlink.metapress.com/index/10.1007/s11134-004-5555-7 db/journals/questa/questa49.html#Eliazar05