@Article{ 
  DalDeL18,
  author = { Dal Maso, Gianni and De Luca, Lucia },
  title = { A minimization approach to the wave equation on time-dependent domains },
  journal = { Adv. Calc. Var. },
  year = { 2020 },
  volume = { 13 },
  number = { 4 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3868/ },
  note = { cvgmt preprint}
}