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Оригинал: Нестеров В В, Овчинников А А, Черепащук А М, Шеффер Е К «Проблемы космической астрометрии. Проект ЛОМОНОСОВ» УФН 160 (7) 154–157 (1990); DOI: 10.3367/UFNr.0160.199007g.0154