@Misc{ 
  ColGilRoc16,
  author = { Colli, Pierluigi and Gilardi, Gianni and Rocca, Elisabetta },
  title = { Optimal distributed control of a diffuse interface model of tumor growth },
  journal = {  },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3182/ },
  note = { cvgmt preprint}
}