@inproceedings{wei-chenthe,
title={The Rationality of the Vertices of a Regular Simplex or Semiregular Simplex in R^n or L^p-space over R^2},
author={Wei-chen Gao, and Che-ran Sun},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215158918043185},
}