@article{Stachowiak:2013,
  author  = "T. Stachowiak and M. Przybylska",
  title   = "On integrable rational potentials of the Dirac equation",
  journal = "Physics Letters A",
  volume  = "Vol. 377",
  number  = "no. 12",
  pages   = "833--841",
  year    = "2013",
}