@article{Stulpe2006,
  author    = {Werner Stulpe},
  title     = {Conditional Expectations, Conditional Distributions, and A Posteriori Ensembles in Generalized Probability Theory},
  journal   = {International Journal of Theoretical Physics. 27 (1988), H. 5},
  pages     = {587 -- 611},
  year      = {2006},
}