![](https://dblp.uni-trier.de/img/logo.ua.320x120.png)
![](https://dblp.uni-trier.de/img/dropdown.dark.16x16.png)
![](https://dblp.uni-trier.de/img/peace.dark.16x16.png)
Остановите войну!
for scientists:
![search dblp search dblp](https://dblp.uni-trier.de/img/search.dark.16x16.png)
![search dblp](https://dblp.uni-trier.de/img/search.dark.16x16.png)
default search action
BibTeX record journals/rairo/XiaoLRZ22
@article{DBLP:journals/rairo/XiaoLRZ22, author = {Helu Xiao and Xin Liu and Tiantian Ren and Zhongbao Zhou}, title = {Estimation of portfolio efficiency \emph{via} stochastic {DEA}}, journal = {{RAIRO} Oper. Res.}, volume = {56}, number = {4}, pages = {2367--2387}, year = {2022}, url = {https://doi.org/10.1051/ro/2022114}, doi = {10.1051/RO/2022114}, timestamp = {Thu, 22 Sep 2022 19:58:51 +0200}, biburl = {https://dblp.org/rec/journals/rairo/XiaoLRZ22.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
![](https://dblp.uni-trier.de/img/cog.dark.24x24.png)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.