@article{RO_1978__12_4_395_0,
     author = {Lemaire, B.},
     title = {Br\`eve communication. {Th\'eor\`eme} de conservation des clients dans les files d'attente},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {395--399},
     publisher = {EDP-Sciences},
     volume = {12},
     number = {4},
     year = {1978},
     mrnumber = {516517},
     zbl = {0389.90052},
     language = {fr},
     url = {http://archive.numdam.org/item/RO_1978__12_4_395_0/}
}