Eric C. C. Tsang, Jingjing Song, Degang Chen, Xibei Yang. Order based hierarchies on hesitant fuzzy approximation space [J]. International Journal of Machine Learning and Cybernetics. Vol. 10, 2019, pp. 1407-1422.
Eric C. C. Tsang, Jingjing Song, Degang Chen, Xibei Yang. Order based hierarchies on hesitant fuzzy approximation space [J]. International Journal of Machine Learning and Cybernetics. Vol. 10, 2019, pp. 1407-1422.