@article{KYB_1992__28_Suppl_a9,
     author = {Full\'er, R\'obert and Keresztfalvi, Tibor},
     title = {A note on $T$-norm-based operations on $LR$ fuzzy intervals},
     journal = {Kybernetika},
     pages = {45--49},
     publisher = {mathdoc},
     volume = {28},
     number = {Suppl},
     year = {1992},
     mrnumber = {1226051},
     zbl = {0875.04008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1992__28_Suppl_a9/}
}