@Misc{ 
  Arr18,
  author = { Arroyo-Rabasa, Adolfo },
  title = { An elementary approach to the dimension of measures satisfying a  first-order linear PDE constraint },
  journal = { Proceedings of the American Mathematical Society },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4341/ },
  note = { cvgmt preprint}
}