@article{Hietarinta:20028I,
  author = "Hietarinta, Jarmo  and  Jaykka, Juha  and  Salo, Petri",
  title = "{Dynamics of vortices and knots in Faddeev's model }",
  doi = "10.22323/1.008.0017",
  journal = "PoS",
  year = 2002,
  volume = "unesp2002",
  pages = "017"
}