@Misc{ 
  Han19a,
  author = { Han, Bangxian },
  title = { The sharp $p$-Poincaré inequality under the measure contraction  property },
  journal = { Manuscripta Mathematica },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4370/ },
  note = { cvgmt preprint}
}