Affiliation: | 1. College of Mathematics and Information Science, Neijiang Normal University, Neijiang 641112, China;2. College of Water Resources and Hydropower, Sichuan University, Chengdu 610065, China;3. Department of Mathematics and Computer Sciences, Cankaya University, 06530 Balgat, Ankara, Turkey;4. Institute of Space Sciences, Magurele-Bucharest, Romania;5. Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia |