@article{Nieto:118661,
      author        = "Nieto, A. R. and Seoane, J. M. and Barrio, R. and Sanjuan,
                       M. A. F.",
      title         = "{A mechanism explaining the metamorphoses of KAM islands
                       in nonhyperbolic chaotic scattering}",
      year          = "2022",
}