PACS:95.55.Br, 07.60.Ly, 96.30.Gc, 96.30.Hf, 95.45.+i (all) DOI:10.1070/PU1989v032n10ABEH002769 URL: https://ufn.ru/en/articles/1989/10/f/ Citation: Novikov S B, Ovchinnikov A A "The development and achievement of methods of optical observations with high angular resolution at the observatory on Mt. Maidanak" Sov. Phys. Usp.32 935–936 (1989)