@Misc{ 
  Lu13a,
  author = { Lu, Xin Yang },
  title = { More counterexamples to regularity for minimizers of the average distance problem },
  journal = { Adv. Calc. Var. },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2304/ },
  note = { cvgmt preprint}
}