@article{JMLR:v11:journee10a,
  author  = {Michel Journ{{\'e}}e and Yurii Nesterov and Peter Richt{{\'a}}rik and Rodolphe Sepulchre},
  title   = {Generalized Power Method for Sparse Principal Component Analysis},
  journal = {Journal of Machine Learning Research},
  year    = {2010},
  volume  = {11},
  number  = {15},
  pages   = {517--553},
  url     = {http://jmlr.org/papers/v11/journee10a.html}
}