@Misc{ 
  DiFFag13,
  author = { Di Francesco, Marco and Fagioli, Simone },
  title = { Measure solutions for nonlocal interaction PDEs with two species },
  journal = {  },
  year = { 2013 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2073/ },
  note = { cvgmt preprint}
}