@article{d2001-representing,
    title     = "Representing preferences with a unique subjective state space",
    author    = "Dekel, Eddie and Lipman, Barton L and Rustichini, Aldo",
    journal   = "Econometrica",
    volume    = "69",
    number    = "4",
    pages     = "891-934",
    year      = "2001",
    publisher = "Wiley Online Library"
  }