@techreport{Lebedev:58806,
      author       = "S. Lebedev and G. Ososkov and C. Hoehne",
      title        = "
      RING RECOGNITION IN THE CBM RICH DETECTOR
      ",
      address      = "DUBNA",
      number       = "JINR-E10-2007-88",
      year         = "2007",
}