Jizhong Shen. On fuzzy regular subsemigroups of a semigroup. Inf. Sci., 51(2):111-120, 1990. [doi]
@article{Shen90:1, title = {On fuzzy regular subsemigroups of a semigroup}, author = {Jizhong Shen}, year = {1990}, doi = {10.1016/0020-0255(90)90020-B}, url = {http://dx.doi.org/10.1016/0020-0255(90)90020-B}, researchr = {https://researchr.org/publication/Shen90%3A1}, cites = {0}, citedby = {0}, journal = {Inf. Sci.}, volume = {51}, number = {2}, pages = {111-120}, }