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		| Paper: | 
		Search for Periodicity in the Brightness Variations of the Active Extragalactic Objects BL Lac, OJ 287, and 3C 120 | 
	 
	
		| Volume: | 
		110, Blazar Continuum Variability | 
	 
	
		| Page: | 
		105 | 
	 
	
		| Authors: | 
		Marchenko, S. G.; Hagen-Thorn, V. A.; Yakovleva, V. A.; Mikolaichuk, O. V. | 
	 
	
	
		| Abstract: | 
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