@inproceedings{shinobu2002kummer, title={Kummer structures on a K3 surface - An old question of T. Shioda}, author={Shinobu Hosono, Bong H. Lian, Keiji Oguiso, and Shing-Tung Yau}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160828164730131088490}, year={2002}, }