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- [7] LG-fuzzy tangent spaces of C∞ L-fuzzy manifolds with L-gradation of openness Italian Journal of Pure and Applied Mathematics, 2021, (46): : 417 - 437
- [8] LG-fuzzy tangent spaces of C∞ L-fuzzy manifolds with L-gradation of openness ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2021, (46): : 417 - 437