참고문헌
- R. A. Borzoei, A. Hasankhani, M. M. Zahedi and Y. B. Jun, On hyperK-algebras, Math. Japon. 52(1) (2000), 119-121.
- Y. B. Jun, A note of fuzzy ideals in BCK-algebras, Math. Japon. 42(2) (1995), 333-335.
- Y. B. Jun, On fuzzy hyperK-subalgebras of hyperK-algebras, Scientiae Mathematicae 3(1) (2000), 67-76.
- Y. B. Jun, X. L. Xin, E. H. Roh and M. M. Zahedi, Strong HyperBCK-ideals of hyperBCK-algebras, Math. Japon. 51 (2000), 493-498.
- Y. B. Jun and X. L. Xin, On fuzzy hyperBCK-ideals of hyper BCK-algebras, Fuzzy Sets and Systems (submitted).
- Y. B. Jun, M. M. Zahedi, X. L. Xin and R. A. Borzoei, On hyper BCK-algebras, Italian J. Pure Appl. Math. 8 (2000), 127-136.
- Y. B. Jun, X. L. Xin, M. M. Zahedi and R. A. Borzoei, On a hyperBCK-algebra that satisfies the hypercondition, Mathematica Japonica 52(1) (2000), 95-101.
- F. Marty, Sur une generalization de la notion de groupe, 8th Congress Math. Scandinaves, Stockholm (1934), 45-49.
- J. Neggers and H. S. Kim, A Fundamental Theorem of B-homomorphism for B-algebras, Czech. Math. J. (submitted).
- L. A. Zadeh, Fuzzy Sets, Information and Control 8 (1965), 338-353. https://doi.org/10.1016/S0019-9958(65)90241-X
- M. M. Zahedi and A. Hasankhani, F-polygroups(I), J. Fuzzy Math. 3 (1996), 533-548.