@article{zhang2017watch,
  title={Watch, attend and parse: An end-to-end neural network based approach to handwritten mathematical expression recognition},
  author={Zhang, Jianshu and Du, Jun and Zhang, Shiliang and Liu, Dan and Hu, Yulong and Hu, Jinshui and Wei, Si and Dai, Lirong},
  journal={Pattern Recognition},
  volume={71},
  pages={196--206},
  year={2017},
  publisher={Elsevier}
}

@article{zhang2018multi,
  title={Multi-Scale Attention with Dense Encoder for Handwritten Mathematical Expression Recognition},
  author={Zhang, Jianshu and Du, Jun and Dai, Lirong},
  journal={arXiv preprint arXiv:1801.03530},
  year={2018}
}