CERN Accelerating science

@techreport{Yang:204381,
      author        = "Liu Yao Yang and Zhang, Y Z",
      title         = "{On the Dirac equation in gravitational field}",
      institution   = "Hefei Univ. Sci. Tech. China",
      reportNumber  = "USTC-DMP-90-001",
      address       = "Hefei",
      year          = "1990",
      url           = "https://cds.cern.ch/record/204381",
}