1. On the need of an ultramassive black hole in OJ 287
- Author
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Valtonen, Mauri J, primary, Zola, Staszek, additional, Gopakumar, A, additional, Lähteenmäki, Anne, additional, Tornikoski, Merja, additional, Dey, Lankeswar, additional, Gupta, Alok C, additional, Pursimo, Tapio, additional, Knudstrup, Emil, additional, Gomez, Jose L, additional, Hudec, Rene, additional, Jelínek, Martin, additional, Štrobl, Jan, additional, Berdyugin, Andrei V, additional, Ciprini, Stefano, additional, Reichart, Daniel E, additional, Kouprianov, Vladimir V, additional, Matsumoto, Katsura, additional, Drozdz, Marek, additional, Mugrauer, Markus, additional, Sadun, Alberto, additional, Zejmo, Michal, additional, Sillanpää, Aimo, additional, Lehto, Harry J, additional, Nilsson, Kari, additional, Imazawa, Ryo, additional, Uemura, Makoto, additional, and Davidson, James W, additional
- Published
- 2023
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