@inproceedings{yang2014closed,
  title={Closed form fuzzy interpolation with interval type-2 fuzzy sets},
  author={Yang, Longzhi and Chen, Chengyuan and Jin, Nanlin and Fu, Xin and Shen, Qiang},
  booktitle={Fuzzy Systems (FUZZ-IEEE), 2014 IEEE International Conference on},
  pages={2184--2191},
  year={2014},
  organization={IEEE}
}