Ideals of BCI-algebras and their Properties
Wu, Chenglong, Ding, Yuzhong
Congruences and Quotient Algebras of BCI-algebras
Ding, Yuzhong, Pang, Zhiyong
Several Classes of BCI-algebras and their Properties
Ding, Yuzhong
BCI-homomorphisms
Ding, Yuzhong, Ge, Fuguo, Wu, Chenglong