@article{LudewigRoos2020,
  author    = {Matthias Ludewig and Saskia Roos},
  title     = {The chiral anomaly of the free fermion in functorial field theory},
  journal   = {Annales Henri Poincar{\´e} : a journal of theoretical and mathematical physics},
  volume    = {21},
  number    = {4},
  pages     = {1191 -- 1233},
  doi       = {10.1007/s00023-020-00893-6},
  year      = {2020},
}