Suryansu Ray. Solvable fuzzy groups. Inf. Sci., 75(1-2):47-61, 1993. [doi]
@article{Ray93c, title = {Solvable fuzzy groups}, author = {Suryansu Ray}, year = {1993}, doi = {10.1016/0020-0255(93)90112-Y}, url = {http://dx.doi.org/10.1016/0020-0255(93)90112-Y}, researchr = {https://researchr.org/publication/Ray93c}, cites = {0}, citedby = {0}, journal = {Inf. Sci.}, volume = {75}, number = {1-2}, pages = {47-61}, }