@article{RO_2011__45_2_131_0,
     author = {Senthil Kumar, Muthukrishnan},
     title = {A discrete-time {Geo}$^{[X]}/G/1$ retrial queue with general retrial time and {M-additional} options for service},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {131--152},
     publisher = {EDP-Sciences},
     volume = {45},
     number = {2},
     year = {2011},
     doi = {10.1051/ro/2011109},
     zbl = {1262.90046},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2011109/}
}