@article{5426,
  author = {John Bohn and U. Fano},
  title = {Multichannel quantum mechanics as a Hamiltonian phase flow},
  year = {1994},
  journal = {Physical Review A},
  volume = {50},
  pages = {2893},
  month = {1994-06},
  url = {http://grizzly.colorado.edu/~bohn/projects/bohn_fano_94_pra.pdf},
}