Bian, X., Qin, B., Xin, X., Li, J., Su, X. and Wang, Y. 2022. Handwritten Mathematical Expression Recognition via Attention Aggregation Based Bi-directional Mutual Learning. Proceedings of the AAAI Conference on Artificial Intelligence. 36, 1 (Jun. 2022), 113-121. DOI:https://doi.org/10.1609/aaai.v36i1.19885.