@article{KYB_1992_28_5_a0,
     author = {Mare\v{s}, Milan},
     title = {Multiplication of fuzzy quantities},
     journal = {Kybernetika},
     pages = {337--356},
     year = {1992},
     volume = {28},
     number = {5},
     mrnumber = {1197719},
     zbl = {0786.04006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1992_28_5_a0/}
}