@article{1365900,
      note = {"Volume 162, number 770 (second of 5 numbers)."},
      author = {Everitt, W. N. and Markus, L.},
      url = {http://library.usi.edu/record/1365900},
      title = {Elliptic partial differential operators and symplectic  algebra /},
      recid = {1365900},
      pages = {1 online resource (130 pages) :},
}