@Misc{ 
  Lle24,
  author = { Llerena, Randy },
  title = { Solutions for a two-phase free-boundary problem and for dynamic perfect elasto-plasticity },
  journal = {  },
  year = { 2024 },
  pages = { 159 },
  URL = { http://cvgmt.sns.it/paper/6465/ },
  note = { cvgmt preprint}
}