@Misc{ 
  DiFSol23,
  author = { Di Fratta, Giovanni and Solombrino, Francesco },
  title = { Korn and Poincaré-Korn inequalities: A different perspective },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6166/ },
  note = { cvgmt preprint}
}