@article{RO_1988__22_1_67_0,
     author = {Bidhi Singh, K.},
     title = {Cost analysis of a queueing system with two service facilities},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {67--76},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {1},
     year = {1988},
     mrnumber = {943106},
     zbl = {0642.60089},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1988__22_1_67_0/}
}