@article{1364980,
      recid = {1364980},
      author = {Von Neumann, John, and Halperin, Israel,},
      title = {Continuous geometries with a transition probability /},
      pages = {1 online resource (220 pages).},
      note = {"Reproduces a manuscript (third draft) written by John von  Neumann in 1937 (the original hand-written manuscript is  kept in the J. von Neumann file in the Library of  Congress)"--Foreword.},
      url = {http://library.usi.edu/record/1364980},
}