@inproceedings{asimpleproximalstochasticgradientmethod,
  title = {A Simple Proximal Stochastic Gradient Method for Nonsmooth Nonconvex Optimization},
  author = {Zhize Li and Jian Li},
  year = {2018},
  booktitle = {NeurIPS 2018 12},
  eprint = {1802.04477},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.04477v4},
}