참고문헌
- Fuzzy Sets and Systems v.20 no.1 Intuitionistic fuzzy sets K.Atanassov
- Fuzzy Sets and Systems v.61 New operations defined over the intuitionistic fuzzy sets K.Atanassov
- Fuzzy Sets and Systems v.88 An introduction to intuitionistic fuzzy topological spaces D.Coker
- Proc. Japan. Acad. v.42 An algebra related with a propositional calculus K.Iseki
- Math. Seminar Notes(presently Kobe J. Math.) v.8 On BCI-algebras K.Iseki
- BCK-Algebras J.Meng;Y.B.Jun
- Information and Control v.8 Fuzzy sets L.A.Zadeh