@article{ author = {Shi, Fu-Gui}, title = {Novel Characterizations of $LM$-Fuzzy Open Operators}, journal = {Transactions on Fuzzy Sets and Systems}, year = {2022}, volume = {1}, issue = {2}, pages = {6-20}, doi = {10.30495/tfss.2022.1958599.1029}, url = {https://sanad.iau.ir/fa/Article/977360} }