@article{Szydłowski:1998,
  author  = "M. Szydłowski and A. Maciejewski and J. Guzik",
  title   = "Dynamical trajectories of simple mechanical systems as geodesics in space with an extra dimension",
  journal = "International Journal of Theoretical Physics",
  volume  = "Vol. 37",
  number  = "no 5",
  pages   = "1569--1585",
  year    = "1998",
}