@article{Boscain:2006A5,
  author = "Boscain, Ugo  and  Adami, Riccardo",
  title = "{Controllability of the Schrödinger Equation via Intersection of  Eigenvalues}",
  doi = "10.22323/1.018.0007",
  journal = "PoS",
  year = 2006,
  volume = "CSTNA2005",
  pages = "007"
}