Jian Tang and Yunfei Yao, Correspondence Theorem for Anti L-fuzzy Normal Subgroups. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 806 - 808 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/5567.