00448nas a2200097 4500000000100000008004100001260017700042100002400219245009500243300001200338 2013 d c10bV.A.Trapeznikov Institute of Control Sciences Russian Academy of Sciences; Institute of Information and Communication technologies Bulgarian Academy of SciencesaMoscow1 aTadeusz Czachórski00aModelling transient states in queueing models of computer networks: a few practical issues a27–28