@article{JMLR:v11:honkela10a,
  author  = {Antti Honkela and Tapani Raiko and Mikael Kuusela and Matti Tornio and Juha Karhunen},
  title   = {Approximate Riemannian Conjugate Gradient Learning for Fixed-Form Variational Bayes},
  journal = {Journal of Machine Learning Research},
  year    = {2010},
  volume  = {11},
  number  = {106},
  pages   = {3235--3268},
  url     = {http://jmlr.org/papers/v11/honkela10a.html}
}