@article{JMLR:v10:paquet09a,
  author  = {Ulrich Paquet and Ole Winther and Manfred Opper},
  title   = {Perturbation Corrections in Approximate Inference: Mixture Modelling Applications},
  journal = {Journal of Machine Learning Research},
  year    = {2009},
  volume  = {10},
  number  = {43},
  pages   = {1263--1304},
  url     = {http://jmlr.org/papers/v10/paquet09a.html}
}