Multilingual Denoising Pre-training for Neural Machine Translation Yinhan Liu author Jiatao Gu author Naman Goyal author Xian Li author Sergey Edunov author Marjan Ghazvininejad author Mike Lewis author Luke Zettlemoyer author 2020 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal liu-etal-2020-multilingual-denoising 10.1162/tacl_a_00343 https://aclanthology.org/2020.tacl-1.47/ 2020 8 726 742