| Affiliation: | 1. Guizhou Key Laboratory of Economics System Simulation, Guizhou University of Finance and Economics, Guiyang, 550004 China;2. School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang, 471023 China;3. School of Mathematics and Physics, University of South China, Hengyang, 421001 China;4. School of Mathematics and Statistics, Guizhou University of Finance and Economics, Guiyang, 550004 China;5. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changsha University of Science and Technology, Changsha, 410114 China |
