Dou, Z.-Y., Tu, Z., Wang, X., Wang, L., Shi, S. and Zhang, T. 2019. Dynamic Layer Aggregation for Neural Machine Translation with Routing-by-Agreement. Proceedings of the AAAI Conference on Artificial Intelligence. 33, 01 (Jul. 2019), 86-93. DOI:https://doi.org/10.1609/aaai.v33i01.330186.