@article{MET_1973__20_175585,
     author = {Sharda},
     title = {On a {Certain} {Type} of {Priority} {Queueing} {Problem.}},
     journal = {Metrika},
     pages = {93--100},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     zbl = {0266.60078},
     url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175585/}
}