Chi, Z., L. Dong, F. Wei, W. Wang, X.-L. Mao, and H. Huang. “Cross-Lingual Natural Language Generation via Pre-Training”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 05, Apr. 2020, pp. 7570-7, doi:10.1609/aaai.v34i05.6256.