@article{ZNSL_1979_87_a4,
     author = {V. V. Kalashnikov and G. Sh. Tsitsiashvili},
     title = {Stability analysis of queueing systems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {41--61},
     publisher = {mathdoc},
     volume = {87},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_87_a4/}
}