참고문헌
- Fuzzy Sets and Systems TL-subgroups having the property (*) H.D.Kim;Y.H.Kim;J.G.Kim
- Fuzzy Sets and Systems v.61 Orders of fuzzy sybgroups and fuzzy p-subgroups J.G.Kim
- Korean J.Comput.& Appl. Math. v.5 Some properties of TL-groups J.G.Kim
- Math. Japon. v.46 Orders relative to TL-subgroups J.G.Kim;H.D.Kim
- Pacific J. Math. v.10 Statistical metric spaces B.Schweizer;A.Sklar
- Lecture Notes in Fuzzy Math. and Computer Science Elements of Lalgebra Y.Yu;J.N.Mordeson;S.C.Cheng