@article{stochasticgradientdescentwithexponential,
  title = {Stochastic Gradient Descent with Exponential Convergence Rates of Expected Classification Errors},
  author = {Atsushi Nitanda and Taiji Suzuki},
  year = {2018},
  eprint = {1806.05438},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1806.05438v4},
}