@article{18069,
      author       = "Beutler, Gerhard and Mervart, Leos cooper. and Verdun,
                      Andreas cooper.",
      title        = "Methods of celestial mechanics. Volume 1: Physical,
                      mathematical, and numerical principles , Volume 2:
                      Application to planetary system, geodynamics and satellite
                      geodesy  ",
      year         = "2005",
      note         = "Vazba: pevná",
}