1. Note on the semigroup of fuzzy matrices;Kim;J. Korean Math. Soc.,1979
2. Fuzzy rational choice functions;Kim;Fuzzy Sets and Systems,1983
3. Determinant theory for fuzzy matrices;Kim;Fuzzy Sets and Systems,1989
4. Matrix equations in distributive lattices;Kun-Lun;Acta Scientiarum Naturalium Universitatis Intramongolicas,1991
5. Resolution of the Cartesian product of fuzzy sets;Kim;Fuzzy Sets and Systems,1991