@Misc{ 
  LaMoTaVo21,
  author = { Lavenant, Hugo and Monsaingeon, Léonard and Tamanini, Luca and Vorotnikov, Dmitry },
  title = { Convex functions defined on metric spaces are pulled back to subharmonic ones by harmonic maps },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5198/ },
  note = { cvgmt preprint}
}