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Citation: As. Sharov, OPTICAL VARIABILITY OF THE OBJECT 5C-3.178 AND A POSSIBLE RICHTER GALAXY IN THE VICINITY OF M-31, Astronomy letters, 21(4), 1995, pp. 447-450
Citation: As. Sharov, THE OPTICAL VARIABILITY OF THE SEYFERT-GALAXY IV ZW29=ZW0039.5+4003 (CORRECTED VERSION OF NU154), Astronomy letters, 20(3), 1994, pp. 305-308