| Institution: | 1. College of Science, Hohai University, Nanjing, 210098, PR China;2. College of Science, Nanjing University of Posts and Telecommunications, Nanjing, 210023, PR China;3. Science and Information College, Qingdao Agricultural University, Qingdao, 266109, PR China;1. Universidade Federal de Campina Grande, Departamento de Matemática, CEP 58429-900, Campina Grande, Paraíba, Brazil;2. Department of Mathematics, Zhejiang Normal University, Jinhua, 321004, PR China;1. Department of Mathematics, Taiyuan University of Technology, Taiyuan, Shanxi 030024, PR China;2. Department of Mathematics, Harbin Institute of Technology, Harbin 150001, PR China;1. Institute of Mathematics, School of Mathematical Sciences, Nanjing Normal University, Jiangsu Nanjing 210023, China;2. School of Teacher Education, Nanjing Normal University, Jiangsu Nanjing 210097, China |
