@article{YJOR_2019_29_3_a5,
     author = {Lala Maghnia Alem and Mohamed Boualem and Djamil Aissani},
     title = {Bounds of the {Stationary} {Distribution} in {M/G/1} {Retrial} {Queue} {With} {Two-Way} {Communication} and $n$ {Types} of {Outgoing} {Calls}},
     journal = {Yugoslav journal of operations research},
     pages = {375 },
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/YJOR_2019_29_3_a5/}
}