A study of generalized roughness in (is an element of,is an element of boolean OR qk)-fuzzy filters of ordered semigroups

作者:Ali Muhammad Irfan; Mahmood Tahir; Hussain Azmat
来源:Journal of Taibah University for Science, 2018, 12(2): 163-172.
DOI:10.1080/16583655.2018.1451067