@article{800171,
      author = {Dappiaggi, Claudio. and Moretti, Valter. and Pinamonti,  Nicola.},
      url = {http://library.usi.edu/record/800171},
      title = {Hadamard states from light-like hypersurfaces /},
      publisher = {Springer,},
      recid = {800171},
      pages = {1 online resource.},
      address = {Cham :},
      year = {2017},
}