@article{1365096,
      author = {Kamber, Franz W., and Tondeur, Philippe,},
      url = {http://library.usi.edu/record/1365096},
      title = {Invariant differential operators and the cohomology of Lie  algebra sheaves /},
      recid = {1365096},
      pages = {1 online resource (131 pages) :},
}