@misc{W2159265133,
  author = {Michio Sugeno and Toyoki Yasukawa},
  title = {A fuzzy-logic-based approach to qualitative modeling},
  year = {1993},
  howpublished = {IEEE Transactions on Fuzzy Systems},
  doi = {https://doi.org/10.1109/tfuzz.1993.390281}
}