Institution: | 1. School of Mathematics and Computer Science and FJKLMAA, Fujian Normal University, Fuzhou 350117, China;2. School of Mathematics and Statistics, Zaozhuang University, Zaozhuang 277160, China;1. School of Mathematics and Statistics & FJKLMAA, Fujian Normal University, Fuzhou 350117, PR China;2. School of Big Data, Fuzhou University of International Studies and Trade, Fuzhou 350202, PR China |