@article{Malbouisson:2002gE,
  author = "Malbouisson, Adolfo P. C.",
  title = "{Time Evolution of confined quantum systems - a non-perturbative approach }",
  doi = "10.22323/1.008.0025",
  journal = "PoS",
  year = 2002,
  volume = "unesp2002",
  pages = "025"
}