Mixed-Lingual Pre-training for Cross-lingual Summarization Ruochen Xu author Chenguang Zhu author Yu Shi author Michael Zeng author Xuedong Huang author 2020-12 text Proceedings of the 1st Conference of the Asia-Pacific Chapter of the Association for Computational Linguistics and the 10th International Joint Conference on Natural Language Processing Kam-Fai Wong editor Kevin Knight editor Hua Wu editor Association for Computational Linguistics Suzhou, China conference publication xu-etal-2020-mixed 10.18653/v1/2020.aacl-main.53 https://aclanthology.org/2020.aacl-main.53/ 2020-12 536 541