@misc{PfaeffleStephan2012,
  author    = {Pf{\"a}ffle, Frank and Stephan, Christoph A.},
  title     = {The holst action by the spectral action principle (vol 307, pg 261, 2011)},
  series = {Communications in mathematical physics},
  volume    = {313},
  journal   = {Communications in mathematical physics},
  number    = {1},
  publisher = {Springer},
  address   = {New York},
  issn      = {0010-3616},
  doi       = {10.1007/s00220-012-1507-y},
  pages     = {291 -- 292},
  year      = {2012},
  language  = {en}
}