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Karitskaya, E.; Bochkarev, N.; Bondar, A.; Galazutdinov, G.; Musaev, F.; Sapar, A.; Shimanskii, V.; Agafonov, M.; Sharova, O. 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. Изв. Крымск. Астрофиз. Обсерв. 2007, 103, 152-152.