@article{JMLR:v18:15-613,
  author  = {Dimitris Bertsimas and Martin S. Copenhaver and Rahul Mazumder},
  title   = {Certifiably Optimal Low Rank Factor Analysis},
  journal = {Journal of Machine Learning Research},
  year    = {2017},
  volume  = {18},
  number  = {29},
  pages   = {1--53},
  url     = {http://jmlr.org/papers/v18/15-613.html}
}