@article{JMLR:v19:17-670,
  author  = {Ryan Giordano and Tamara Broderick and Michael I. Jordan},
  title   = {Covariances, Robustness, and Variational Bayes},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {19},
  number  = {51},
  pages   = {1--49},
  url     = {http://jmlr.org/papers/v19/17-670.html}
}