@inproceedings{Obukhov:2004Mh,
  author = "Obukhov, Valery V.  and  Osetrin, Konstantin E.",
  title = "{Variables Separation in Gravity}",
  doi = "10.22323/1.013.0027",
  booktitle = "Proceedings of Fourth International Winter Conference on Mathematical Methods in Physics {\textemdash} PoS(WC2004)",
  year = 2004,
  volume = "013",
  pages = "027"
}