@article{BMMS_2009_32_2_a1,
     author = {Jianming Zhan and Young Bae Jun},
     title = {Generalized {Fuzzy} {Ideals} of {BCI-Algebras}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2009},
     volume = {32},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2009_32_2_a1/}
}