@Article{ 
  Bor22,
  author = { Borza, Samuël },
  title = { Distortion Coefficients of the $\alpha$-Grushin Plane },
  journal = { The Journal of Geometric Analysis },
  year = { 2022 },
  doi = { 10.1007/s12220-021-00736-8 },
  volume = { 32 },
  number = { Issue 3 },
  pages = { Article 78 },
  URL = { http://cvgmt.sns.it/paper/5420/ },
  note = { cvgmt preprint}
}