Journal of finance. 1998;53(5):1821-1827. doi: 10.1111/0022-1082.00074 Q19.52025
On the Inverse of the Covariance Matrix in Portfolio Analysis
DOI: 10.1111/0022-1082.00074
摘要
Journal of finance. 1998;53(5):1821-1827. doi: 10.1111/0022-1082.00074 Q19.52025
DOI: 10.1111/0022-1082.00074
摘要