@inproceedings{kaiying2017the,
title={The Hardness of Finding Hamiltonian Cycle in Grids Graphs of Semiregular Tessellations},
author={Kaiying Hou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180113195452806524887},
booktitle={Yau Science Award (Math)},
year={2017},
}

Kaiying Hou. The Hardness of Finding Hamiltonian Cycle in Grids Graphs of Semiregular Tessellations. 2017. In Yau Science Award (Math). http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20180113195452806524887.