KARITSKAYA, E.A.; BOCHKAREV, N.G.; BONDAR, A.V.; GALAZUTDINOV, G.A.; MUSAEV, F.A.; SAPAR, A.A.; SHIMANSKII, V.V.; AGAFONOV, M.I.; SHAROVA, O.I. The high-resolution optical spectroscopy as a method of X-ray binary CYG X-1 investigation. The results of CYG X-1 monitoring during 2002-2004. Известия Крымской астрофизической обсерватории, [S. l.], v. 103, n. 3, p. 152–152, 2007. Disponível em: https://jncrao.ru/index.php/izvcrao/article/view/252. Acesso em: 20 фев. 2026.