References
- Journal of Discrete Mathematical Sciences and Cryptography v.6 no.1 Some kinds of positive Implicative hyper K-ideals Borzooei, R.A.;Corsini, P.;Zahedi, M.M.
- Math. Japon. v.52 no.1 On hyper K-algebras Borzooei, R.A.;Hasankhani, A.;Zahedi, M.M.;Jun, Y.B.
- Scientiae Mathematicae Japonicae v.53 no.3 Positive Implicative hyper K-ideals Borzooei, R.A.;Zahedi, M.M.
- XIV Proc. Japan Academy v.42 On axiom systems of propositional calculi Imai, Y.;Iseki, K.
- Math. Japon v.23 An introduction to the theory of BCK-algebras Iseki, K.;Tanaka, S.
- Italian Journal of Pure and Applied Mathematics no.8 On hyper BCK-algebras Jun, Y.B.;Zahedi, M.M.;Xin, X.L.;Borzooei, R.A.
- 8th congress Math Sur une generalization de la notion de groups Marty, F.
- BCK-algebras Meng, J.;Jun, Y.B.
- Scientiae Mathematicae Japonicae v.53 no.1 Some classification of hyper K-algebras of order 3 Zahedi, M.M.;Borzooei, R.A.;Rezaei, H.
- Scientiae Mathematicae v.3 no.1 Some results on hyper K-algebra Zahedi, M.M.;Borzooei, R.A.;Jun, Y.B.;Hasankhani, A.