@Article{ 
  grikovpin11,
  author = { Grillo, Gabriele and Kovarik, Hynek and Pinchover, Yehuda },
  title = { Sharp two-sided heat kernel estimates of twisted tubes and applications },
  journal = { Arch. Ration. Mech. Anal. },
  year = { 2014 },
  volume = { 213 },
  pages = { 28 },
  URL = { http://cvgmt.sns.it/paper/915/ },
  note = { cvgmt preprint}
}