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| Paper: |
The Existence of Ultra Massive Black Holes (UMBHs) in the Center of Radiogalaxies |
| Volume: |
505, Astronomical Surveys and Big Data |
| Page: |
176 |
| Authors: |
Ohanian, G. A. |
| Abstract: |
The problem of the energetic budget of AGN is discussed. The evolution of radio sources is considered and the recurrent activity is taken into account to describe the phenomenon. |
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