Alisher Hojaev Azizbek Matekov
1 ta ish
Ulugh Beg Astronomical Inquan Road 19, Beijing, 100049, Sijingshang Block, P.R. China. Yunnan Observatories of Chinese Academy of Sciences, P.O. Box 110, Kunming, 650011, China.stitute of the Uzbekistan Academy of Science, Astronomicheskaya 33, Tashkent, 100052, Uzbekistan. University of the Chinese Academy of Sciences, Yu