@Article{ 
  GigNob21,
  author = { Gigli, Nicola and Nobili, Francesco },
  title = { A first-order condition for the independence on $p$ of weak gradients },
  journal = { J. Funct. Anal. },
  year = { 2022 },
  doi = { https://doi.org/10.1016/j.jfa.2022.109686 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5400/ },
  note = { cvgmt preprint}
}