Fuzzy ideals of subtraction algebras

@article{Kim2007FuzzyIO,
  title={Fuzzy ideals of subtraction algebras},
  author={Young-Hee Kim and Kyong-Ah Oh and Eun-Hawan Roh},
  journal={Int. J. Fuzzy Logic and Intelligent Systems},
  year={2007},
  volume={7},
  pages={115-119}
}