@Article{ 
  KrySte21,
  author = { Kryzhevich, Sergey and Stepanov, Eugene },
  title = { Constructive controllability for incompressible vector fields },
  journal = { Tchemisova, T.V., Torres, D.F.M., Plakhov, A.Y. (eds) Dynamic Control and Optimization. DCO 2021. Springer Proceedings in Mathematics & Statistics },
  year = { 2021 },
  doi = { https://doi.org/10.1007/978-3-031-17558-9_1 },
  volume = { 407 },
  pages = { 3-18 },
  URL = { http://cvgmt.sns.it/paper/5366/ },
  note = { cvgmt preprint}
}