@article{tp3358,
  title = {Type-2 Fuzzy Envelope of Hesitant Fuzzy Linguistic Term Set: A New Representation Model of Comparative Linguistic Expression},
  author = {Yaya Liu and Rosa M. Rodriguez and Hani Hagras and Hongbin Liu and Keyun Qin and Luis Martinez},
  year = {2019},
  journal = {IEEE TRANSACTIONS ON FUZZY SYSTEMS},
  volume = {27},
  pages = {2312–2326},
  doi = {10.1109/TFUZZ.2019.2898155},
  isbn = {1063-6706},
  keywords = {article},
}