(∈γ ,∈γVqδ) -intuitionistic Fuzzy(Soft) Filter of BL-algebras

YANG Yong-wei, XIN Xiao-long, HE Peng-fei

Chinese Quarterly Journal of Mathematics . 2014, (1): 65 -75 . DOI: 10.13371/j.cnki.chin.q.j.m.2014.01.009