@Article{ 
  HonMon24,
  author = { Honda, Shouhei and Mondino, Andrea },
  title = { Poincar\'e inequality for one forms on four manifolds with bounded Ricci curvature },
  journal = { Archiv Der Mathematik },
  year = { 2024 },
  doi = { https://doi.org/10.1007/s00013-024-02091-w },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6594/ },
  note = { cvgmt preprint}
}