@Article{ 
  BinBut14,
  author = { Bini, Enrico and Buttazzo, Giuseppe },
  title = { The optimal sampling pattern for linear control systems },
  journal = { IEEE Trans. Automat. Control },
  year = { 2014 },
  doi = { 10.1109/TAC.2013.2279913 },
  volume = { 59 },
  number = { 1 },
  pages = { 78-90 },
  URL = { http://cvgmt.sns.it/paper/3604/ },
  note = { cvgmt preprint}
}