Waqas Mahmood, Waqas Nazeer, Shin Min Kang. A comparison between lower and upper approximations in groups with respect to group homomorphisms. Journal of Intelligent and Fuzzy Systems, 35(1):693-703, 2018. [doi]
@article{MahmoodNK18,
title = {A comparison between lower and upper approximations in groups with respect to group homomorphisms},
author = {Waqas Mahmood and Waqas Nazeer and Shin Min Kang},
year = {2018},
doi = {10.3233/JIFS-171037},
url = {https://doi.org/10.3233/JIFS-171037},
researchr = {https://researchr.org/publication/MahmoodNK18},
cites = {0},
citedby = {0},
journal = {Journal of Intelligent and Fuzzy Systems},
volume = {35},
number = {1},
pages = {693-703},
}