%0 Journal Article %A G. Sh. Tsitsiashvili %T Invariant properties of queuing systems with multiple flows %J Dalʹnevostočnyj matematičeskij žurnal %D 2018 %P 267-270 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DVMG_2018_18_2_a13/ %G ru %F DVMG_2018_18_2_a13