Wen SongBooksGuo jia tu shu guan shu zi zi yuan wei yi biao shi fu gui fan he ying yong zhi nanZhongguo guan li zhi du jian shi (xian Qin-wan Qing)Quality in set-valued optimizationXing wen hua yan jiuZhongguo chuan tong jian zhu tu jianYou bian Zhongguo =Author data: Open Library