@article{TUW-289274, author = {Rosadi, Dedi and Setiawan, Ezra Putranda and Templ, Matthias and Filzmoser, Peter}, title = {Robust Covariance Estimators for Mean-Variance Portfolio Optimization with Transaction Lots}, journal = {Operations Research Perspectives}, year = {2020}, volume = {7}, url = {https://www.sciencedirect.com/science/article/pii/S2214716020300440}, doi = {10.1016/j.orp.2020.100154} }