@unpublished{BaerGinoux2012,
  author  = {Christian B{\"a}r and Nicolas Ginoux},
  title   = {Classical and quantum fields on Lorentzian manifolds},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprints des Instituts f{\"u}r Mathematik der Universit{\"a}t Potsdam},
  number    = {1(2012)15},
  year    = {2012},
}