@article{RO_2017__51_3_591_0,
     author = {Sudhesh, R. and Azhagappan, A. and Dharmaraja, S.},
     title = {Transient analysis of {M/M/1} queue with working vacation, heterogeneous service and customers{\textquoteright} impatience},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {591--606},
     publisher = {EDP-Sciences},
     volume = {51},
     number = {3},
     year = {2017},
     doi = {10.1051/ro/2016046},
     mrnumber = {3880514},
     zbl = {1382.60120},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2016046/}
}