@article{StulpeSinger2006,
  author    = {Werner Stulpe and Matthias Singer},
  title     = {Phase-Space Representations of General Statistical Physical Theories. Singer, Matthias; Stulpe, Werner},
  journal   = {Journal of Mathematical Physics. 33 (1992), H. 1},
  pages     = {131 -- 142},
  year      = {2006},
}