@inproceedings{zhangmaximum,
title={Maximum of Summations of Numbers of Minesweeping Games},
author={Zhang Yishen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215157084577131},
}
Zhang Yishen. Maximum of Summations of Numbers of Minesweeping Games. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215157084577131.