References
- Math. Japon. v.30 p-radical in BCI-algebras T. D. Lei;C. C. Xi
- Math. Japon. BCI-algebras of order 6 J. Meng;Y. B. Jun;E. H. Roh
- Math. Japon. v.37 Characterizations of atoms in BCI-algebras J.Meng;X. L. Xin
- J. Hunan Educational Institute v.12 T-ideal of a BCI-algebra X. H. Zhang
- J. Xuzhou Teachers College v.7 T type BCI-algebras X. H. Zhang;Z. Y. Zhang