@article{RO_2021__55_5_2941_0,
     author = {Swain, Pulak and Ojha, Akshay Kumar},
     title = {Bi-level optimization approach for robust mean-variance problems},
     journal = {RAIRO. Operations Research},
     pages = {2941--2961},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     number = {5},
     doi = {10.1051/ro/2021129},
     mrnumber = {4323411},
     zbl = {1485.90085},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2021129/}
}