@Article{ 
  HasMül14b,
  author = { Buzano, Reto and Haslhofer, Robert },
  title = { A note on the compactness theorem for 4d Ricci shrinkers },
  journal = { Proceedings of the American Mathematical Society },
  year = { 2015 },
  doi = { 10.1090/proc/12648 },
  volume = { 143 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3912/ },
  note = { cvgmt preprint}
}