PACS:95.85.Sz, 97.10.Ld, 97.10.Vm (all) DOI:10.1070/PU1990v033n07ABEH002611 URL: https://ufn.ru/en/articles/1990/7/g/ Citation: Nesterov V V, Ovchinnikov A A, Cherepashchuk A M, Sheffer E K "Problems of space astrometry. Project LOMONOSOV" Sov. Phys. Usp.33 (7) 580–582 (1990)