@article{PfaeffleStephan2013,
  author    = {Frank Pf{\"a}ffle and Christoph A. Stephan},
  title     = {Chiral asymmetry and the spectral action},
  journal   = {Communications in mathematical physics},
  volume    = {321},
  number    = {2},
  pages     = {283 -- 310},
  doi       = {10.1007/s00220-012-1641-6},
  year      = {2013},
}