@article{CTT100829380,
  author = {S. Ichiki and T. Nishimura and R. Oset Sinha and M. A. S. Ruas},
  title = {Generalized distance-squared mappings of the plane into the plane},
  journal = {Advances in Geometry},
  year = 2016,
}

@article{CTT100829384,
  author = {Shunsuke Ichiki and Takashi Nishimura},
  title = {Generalized distance-squared mappings of R<sup>{n+1} into R</sup>{2n+1}},
  journal = {Contemporary Mathematics - American Mathematical Society, Providence, RI},
  year = 2016,
}