@Misc{ 
  BraVol20,
  author = { Brasco, Lorenzo and Volzone, Bruno },
  title = { Long-time behavior for the porous medium equation with small initial energy },
  journal = { Adv. Math. },
  year = { 2021 },
  pages = { 41 },
  URL = { http://cvgmt.sns.it/paper/4872/ },
  note = { cvgmt preprint}
}