@techreport{Kopeliovich:3504,
      author       = "Kopeliovich, V B and Niedermayer, Ferenc",
      title        = "
Nuclear screening in J/psi and lepton pair production
",
      institution  = "Joint Inst. Nucl. Res.",
      address      = "Dubna",
      number       = "JINR-E2-84-834",
      month        = "Jan",
      year         = "1985",
}