Wu, J.-W., F. Yin, Y.-M. Zhang, X.-Y. Zhang, and C.-L. Liu. “Graph-to-Graph: Towards Accurate and Interpretable Online Handwritten Mathematical Expression Recognition”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 4, May 2021, pp. 2925-33, doi:10.1609/aaai.v35i4.16399.