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Information × Registration Number 0207U008147, 0105U002198 , R & D reports Title Non-stationary processes in galactic and exstagalactic sources In waves of mm and cm popup.stage_title Head Volvach A.E., Registration Date 05-12-2007 Organization Scientific-research institute "Crimean astrophysical observatory" popup.description2 The parameters of the system, radio source 3С454.3 composed of two black holes: masses of the central object, companion and orbit radius were obtained. At a source 3С120 flare of 1998 is accompanied by a birth of a new superlight component. Product Description popup.authors popup.nrat_date 2020-04-02 Close