| Affiliation: | 1. Department of Mathematics, Cankaya University, 06530 Balgat, Ankara, Turkey;2. Institute of Space Sciences, Magurele–Bucharest, Romania;3. Data Recovery Key Laboratory of Sichuan Province, College of Mathematics and Information Science, Neijiang Normal University, Neijiang 641100, PR China;4. Department of Mathematics, Xiangnan University, Chenzhou 423000, PR China;1. Data Recovery Key Laboratory of Sichuan Province, College of Mathematics and Information Science, Neijiang Normal University, Neijiang 641100, PR China;2. Department of Mathematics, Cankaya University, Balgat, Ankara 06530, Turkey;3. Institute of Space Sciences, Magurele-Bucharest, Romania |
