@article{RO_2020__54_6_1593_0,
     author = {Tian, Ruiling and Wang, Yali},
     title = {Optimal strategies and pricing analysis in $M/M/1$ queues with a single working vacation and multiple vacations},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {1593--1612},
     publisher = {EDP-Sciences},
     volume = {54},
     number = {6},
     year = {2020},
     doi = {10.1051/ro/2019114},
     mrnumber = {4150242},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2019114/}
}