@article{Kohl2010,
  author    = {{Stefan Kohl}},
  title     = {{A simple group generated by involutions interchanging residue classes of the integers}},
  journal   = {{Math. Z.}},
  year      = {{2010}},
  volume    = {{264}},
  number    = {{4}},
  pages     = {{927--938}},
  url       = {{https://www.researchgate.net/publication/225362034_A_simple_group_generated_by_involutions_interchanging_residue_classes_of_the_integers}},
  abstract  = {{We present a countable simple group which arises in a natural way from the arithmetical structure of the ring of integers.}},
}