@inproceedings{shing-tung1978the,
  title={The role of partial differential equations in differential geometry},
  author={Shing-Tung Yau},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204003471654114},
  booktitle={Proceedings of the International Congress of Mathematicians (Helsinki, 1978)},
  pages={237-250},
  year={1978},
}
             
            
                
Shing-Tung Yau. The role of partial differential equations in differential geometry. 1978. In Proceedings of the International Congress of Mathematicians (Helsinki, 1978). pp.237-250. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204003471654114.