References
- Fuzzy Sets and Systems v.24 On some product of fuzzy subgroups M. T. Abu Osman
- Pusan Kyongnam Math. J. (presently, East Asian Math. J.) v.7 no.2 Fuzzy and level subalgebras of BCK(BCI)-algebras S. M. Hong;Y. B. Jun
- Math. Japon. v.24 no.1 BCK-algebras with condition (S) K. Iseki
- Math. Japon. v.23 no.1 An introduction to the theory of BCK-algebras K. Iseki;S. Tanaka
- J. Fuzzy Math. v.7 no.2 Fuzzy ideals and fuzzy subalgebras of BCK-algebras Y. B. Jun;S. M. Hong;S. J. Kim;S. Z. Song
- Pusan Kyongnam Math. J. (presently, East Asian Math. J.) v.9 no.1 Fuzzy characteristic subalgebras/ideals of a BCK-algebra Y. B. Jun;S. M. Hong;E. H. Roh
- J. Fuzzy Math. (submitted) Imaginable fuzzy ideals of BCK-algebras with respect to a t-norm Y. B. Jun;K. H. Kim
- BCK-algebras J. Meng;Y. B. Jun
- Math. Japon. v.36 no.5 Fuzzy BCK-algebras O. G. Xi
- Lecture Notes in Fuzzy Math. and Computer Science Elements of L-algebra Y. Yu;J. N. Mordeson;S. C. Cheng
- Inform. Control. v.8 Fuzzy sets L. A. Zadeh