@article{adistributedquasinewtonalgorithmfor,
  title = {A Distributed Quasi-Newton Algorithm for Empirical Risk Minimization with Nonsmooth Regularization},
  author = {Ching-pei Lee and Cong Han Lim and Stephen J. Wright},
  year = {2018},
  eprint = {1803.01370},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1803.01370v2},
}