@article{Obukhov:2004Mh,
  author = "Obukhov, Valery V.  and  Osetrin, Konstantin E.",
  title = "{Variables Separation in Gravity}",
  doi = "10.22323/1.013.0027",
  journal = "PoS",
  year = 2004,
  volume = "WC2004",
  pages = "027"
}