@article{BGUMI_2019_3_a4,
     author = {V. I. Klimenok},
     title = {Multi-server queueing system with reserve servers},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {57--70},
     publisher = {mathdoc},
     volume = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2019_3_a4/}
}