@article{WUI Qi:64, author = {WUI Qi}, title = {}, publisher = {Journal of Guizhou University of Finance and Economics}, year = {2010}, journal = {Journal of Guizhou University of Finance and Economics}, volume = {28}, number = {5}, eid = {64}, numpages = {0}, pages = {64}, keywords = {}, url = {https://gcxb.gufe.edu.cn/EN/abstract/article_8382.shtml}, doi = {} }