@article{anovelstochasticstratifiedaverage,
  title = {A Novel Stochastic Stratified Average Gradient Method: Convergence Rate and Its Complexity},
  author = {Aixiang Chen and Bingchuan Chen and Xiaolong Chai and Rui Bian and Hengguang Li},
  year = {2017},
  eprint = {1710.07783},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1710.07783v3},
}