@article{638,
      author       = "Forlani, G. and Mussio, L. and ITM - Politecnico di Milano
                      and 1st Hotine-Marussi Symposium on Mathematical Geodesy,
                      Řím, 1985",
      title        = "Acceleration of the Inversion Routine for Large Sparse
                      Matrices  ",
      year         = "1985",
      note         = "6 s. lit., 17 s. tab., 3 obr., 1 sv.",
}