Fluid and diffusion limits for transient sojourn times of processor sharing queues with time varying rates.

Robert C. Hampshire Mor Harchol-Balter William A. Massey Fluid and diffusion limits for transient sojourn times of processor sharing queues with time varying rates. 19-30 2006 53 Queueing Syst. 1-2 http://dx.doi.org/10.1007/s11134-006-7584-x db/journals/questa/questa53.html#HampshireHM06