@article{10383,
      author       = "Dufour, Henri Marcel and Geodesie tridimensionnelle et
                      systemes laplaciens de reference. Londress 1981",
      title        = "Geodesie tridimensionnelle et systemes laplaciens de
                      reference  ",
      year         = "1981",
      note         = "Liter., 1 sv.",
}