@Misc{ 
  BuzYud20,
  author = { Buzano, Reto and Yudowitz, Louis },
  title = { Gaussian upper bounds for the heat kernel on evolving manifolds },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5587/ },
  note = { cvgmt preprint}
}