@article{RO_2021__55_S1_S2359_0,
     author = {Rajabi Tanha, Masoumeh and Alirezaee, Mohammadreza},
     title = {Theoretical developments in balance model and models with virtual weight restrictions},
     journal = {RAIRO. Operations Research},
     pages = {S2359--S2372},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     doi = {10.1051/ro/2020084},
     mrnumber = {4223168},
     zbl = {1473.90076},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2020084/}
}