author  = "L. Dey and M. Valtonen and A. Gopakumar and S. Zola and R. Hudec and P. Pihajoki and S. Ciprini and K. Matsumoto and K. Sadakane and M. Kidger and -. [et al.] and M. Żejmo",
  title   = "Authenticating the Presence of a Relativistic Massive Black Hole Binary in OJ 287 Using its General Relativity Centenary Flare: Improved Orbital Parameters",
  journal = "Astrophysical Journal",
  volume  = "Vol. 866",
  number  = "no. 1",
  pages   = "1--24",
  year    = "2018",