@article{KYB_1992__28_Suppl_a4,
     author = {Achache, Achille and Sangalli, Arturo A. L.},
     title = {Fuzzy concepts defined via residuated maps},
     journal = {Kybernetika},
     pages = {25--27},
     publisher = {mathdoc},
     volume = {28},
     number = {Suppl},
     year = {1992},
     mrnumber = {1226046},
     zbl = {0985.54500},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1992__28_Suppl_a4/}
}