@article{TRSPY_1964_71_a3,
     author = {O. V. Viskov},
     title = {On the waiting time in a~mixed queueing system},
     journal = {Informatics and Automation},
     pages = {26--34},
     publisher = {mathdoc},
     volume = {71},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1964_71_a3/}
}