@article{asombasedgradientfreedeeplearning,
  title = {A SOM-based Gradient-Free Deep Learning Method with Convergence Analysis},
  author = {Shaosheng Xu and Jinde Cao and Yichao Cao and Tong Wang},
  year = {2021},
  eprint = {2101.05612},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.05612v2},
}