Ultramassive Black Holes Formed by Triple Quasar Mergers at z 2DOI: info:10.3847/2041-8213/aca160v. 940L49
Ni, Yueying, Di Matteo, Tiziana, Chen, Nianyi, Croft, Rupert, and Bird, Simeon. 2022. "Ultramassive Black Holes Formed by Triple Quasar Mergers at z 2." The Astrophysical Journal, 940 L49. https://doi.org/10.3847/2041-8213/aca160.