@Article{ 
  BoFoRoSo15,
  author = { Bongini, Mattia and Fornasier, Massimo and Rossi, Francesco and Solombrino, Francesco },
  title = { Mean-field Pontryagin Maximum Principle },
  journal = { Journal of  Optimization Theory and Applications },
  year = { 2017 },
  doi = { 10.1007/s10957-017-1149-5 },
  volume = { 175 },
  number = { 1 },
  pages = { 1-38 },
  URL = { http://cvgmt.sns.it/paper/2669/ },
  note = { cvgmt preprint}
}