@article{JMLR:v16:mokhtari15a,
  author  = {Aryan Mokhtari and Alejandro Ribeiro},
  title   = {Global Convergence of Online Limited Memory BFGS},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {98},
  pages   = {3151--3181},
  url     = {http://jmlr.org/papers/v16/mokhtari15a.html}
}