@article{RO_2021__55_S1_S2831_0,
     author = {Kemmar, Omar and Bouamrane, Karim and Gelareh, Shahin},
     title = {Hub location problem in round-trip service applications},
     journal = {RAIRO. Operations Research},
     pages = {S2831--S2858},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     doi = {10.1051/ro/2020125},
     mrnumber = {4223172},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2020125/}
}