@Misc{ 
  LlePio24,
  author = { Llerena, Randy and Piovano, Paolo },
  title = { Solutions for a free-boundary problem modeling  multilayer films with coherent and incoherent interfaces },
  journal = {  },
  year = { 2024 },
  pages = { 27 },
  URL = { http://cvgmt.sns.it/paper/6383/ },
  note = { cvgmt preprint}
}