@Article{ 
  LiYao24,
  author = { Li, Qinfeng and Yao, Ruofei },
  title = { On location of maximum of gradient of torsion function },
  journal = { SIAM J. Math. Anal. },
  year = { 2024 },
  doi = { https://doi.org/10.1137/23M1609452 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/7449/ },
  note = { cvgmt preprint}
}