Affiliation: | 1.Faculty of Mechanics & Mathematics, National University Uzbekistan, Tashkent, Uzbekistan ;2.Department of Mathematical Sciences, College of Science, The United Arab Emirates University, P.O. Box, 15551, Al Ain, Abu Dhabi, UAE ;3.Mathematics Department, College of Engineering and Technology, American University of the Middle East, P.O. Box, 54200, Egaila, Kuwait ; |