@article{RO_2022__56_3_1685_0,
     author = {Hasannia Kolaee, Mansoureh and Mirzapour Al-e-Hashem, Seyed Mohammad Javad},
     title = {Stochastic medical tourism problem with variable residence time considering gravity function},
     journal = {RAIRO. Operations Research},
     pages = {1685--1716},
     year = {2022},
     publisher = {EDP-Sciences},
     volume = {56},
     number = {3},
     doi = {10.1051/ro/2022082},
     mrnumber = {4445955},
     zbl = {1492.90106},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2022082/}
}