@article{RO_2022__56_4_2367_0,
     author = {Xiao, Helu and Liu, Xin and Ren, Tiantian and Zhou, Zhongbao},
     title = {Estimation of portfolio efficiency \protect\emph{via} stochastic {DEA}},
     journal = {RAIRO. Operations Research},
     pages = {2367--2387},
     year = {2022},
     publisher = {EDP-Sciences},
     volume = {56},
     number = {4},
     doi = {10.1051/ro/2022114},
     mrnumber = {4458842},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2022114/}
}