Institution: | 1.Department of Mathematics, Hangzhou Normal University, Hangzhou, 311121, China ;2.LSEC and ICMSEC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, 100190, China ;3.School of Mathematical Science, University of Chinese Academy of Sciences, Beijing, 100190, China ;4.Department of Mathematics, Huzhou University, Huzhou, Zhejiang Province, 313000, China ;5.Department of Mathematical and Computer Modeling, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan ;6.Department of Mathematical and Computer Modeling, Kazakh British-Technical University, Almaty, 050000, Kazakhstan ;7.School of Mathematics and Statistics, Central South University, Changsha, 410083, China ; |