1. The use of linguistic variables and fuzzy propositions in the L-fuzzy concept theory;Alcalde;Comput. Math. Appl.,2011
2. Relationship between two FCA approaches on heterogeneous formal contexts;Antoni,2012
3. On heterogeneous formal contexts;Antoni;Fuzzy Sets Syst.,2014
4. Reduction and a simple proof of characterization of fuzzy concept lattices;Bělohlávek;Fundam. Inform.,2001
5. Fuzzy Relational Systems: Foundations and Principles;Bělohlávek,2002