@Misc{ 
  Kne17,
  author = { Knees, Dorothee },
  title = { Convergence analysis of time-discretisation schemes for rate-independent
  systems },
  journal = {  },
  year = { 2017 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3709/ },
  note = { cvgmt preprint}
}