Hadamard States from Light-like Hypersurfaces
  MLA
  Dappiaggi, Claudio, Valter Moretti, and Nicola Pinamonti. Hadamard States From Light-like Hypersurfaces. Springer International Publishing, 2017.
  APA
  Dappiaggi, C., Moretti, V., & Pinamonti, N. (2017). Hadamard States from Light-like Hypersurfaces. Springer International Publishing.
  Chicago
  Dappiaggi, Claudio, Valter Moretti, and Nicola Pinamonti. Hadamard States From Light-Like Hypersurfaces. : Springer International Publishing, 2017.