@article{1364905,
      note = {"Volume 13, issue 1."},
      author = {Ball, Joseph A.,},
      url = {http://library.usi.edu/record/1364905},
      title = {Factorization and model theory for contraction operators  with unitary part /},
      recid = {1364905},
      pages = {1 online resource (78 pages).},
}