Shaoquan Sun and Chunxiang Liu, (λ,μ)-fuzzy Subrings and (λ,μ)-fuzzy Quotient Subrings with Operators. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. October 2016, vol. 116(8). 413 - 416 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10005827.