@article{StulpeSinger1992,
  author    = {Stulpe, Werner and Singer, Matthias},
  title     = {Phase-Space Representations of General Statistical Physical Theories. Singer, Matthias; Stulpe, Werner},
  series = {Journal of Mathematical Physics. 33 (1992), H. 1},
  journal   = {Journal of Mathematical Physics. 33 (1992), H. 1},
  isbn      = {1089-7658},
  pages     = {131 -- 142},
  year      = {1992},
  language  = {en}
}
@article{Stulpe1992,
  author    = {Stulpe, Werner},
  title     = {On the Representation of Quantum Mechanics on Phase Space},
  series = {International Journal of Theoretical Physics. 31 (1992), H. 9},
  journal   = {International Journal of Theoretical Physics. 31 (1992), H. 9},
  isbn      = {1572-9575},
  pages     = {1785 -- 1795},
  year      = {1992},
  language  = {en}
}