@article{193246,
      author       = "Holota, Petr and Nesvadba, Otakar",
      title        = "Small Modifications of Curvilinear Coordinates and
                      Successive Approximations Applied in Geopotential
                      Determination",
      note         = "RIV: RIV/00025615:_____/16:N0000045",
}