@article{DAN_1991_317_3_a4,
     author = {A. G. Gadzhiev},
     title = {Control of queueing systems in a class of delays},
     journal = {Doklady Akademii Nauk},
     pages = {540--543},
     publisher = {mathdoc},
     volume = {317},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_3_a4/}
}