@article{escapingsaddlepointsforzerothorder,
  title = {Escaping Saddle Points for Zeroth-order Nonconvex Optimization using Estimated Gradient Descent},
  author = {Qinbo Bai and Mridul Agarwal and Vaneet Aggarwal},
  year = {2019},
  eprint = {1910.01277},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.01277v1},
}