@Misc{ 
  LorGua21,
  author = { Lorent, Andrew and Peng, Guanying },
  title = { Factorization for entropy production of the Eikonal equation and regularity },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5078/ },
  note = { cvgmt preprint}
}