Affiliation: | [1]College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; [2]School of Management, University of Science and Technology of China, Hefei 230026, China; [3]Department of Mathematics, Hefei Electronic Engineering Institute, Hefei 230037, China; [4]The 38th Research Institute, China Electronics Technology Corporation, Hefei 230088, China |