1. Department of Chemistry and Physics, Roger Williams University, Bristol, RI 02809, USA
2. Institute of Fundamental and Applied Research, National Research University TIIAME, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
3. Ulugh Beg Astronomical Institute, Astronomy St. 33, Tashkent 100052, Uzbekistan
4. Department of Mathematics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia